def set_refs(name):
    """ Set references and acknowledgements for each DEMETER instrument

    Parameters
    ------------
    name : string
        DEMETER instrument name

    Returns
    ----------
    ackn_str : string
        Acknowlegedements for specific instruments
    ref_str : string
        Reference list for specific instruments

    """

    # Define the acknowledgements and references
    ackn = {'iap': ' '.join(["This work is based on observations with the",
                             "plasma analyser IAP embarked on the satellite",
                             "DEMETER launched by CNES (Centre National",
                             "d'Etudes Spatiales). The author thanks J.J.",
                             "Berthelier the PI of this instrument for the use",
                             "of the data, and CDPP (Centre des Données de la",
                             "Physique des Plasmas) for the provision of these",
                             "data."]),
            'ice': ' '.join(["This work is based on observations with the",
                             "electric field instrument ICE embarked on the",
                             "satellite DEMETER launched by CNES (Centre",
                             "National d'Etudes Spatiales). The author thanks",
                             "J.J. Berthelier the PI of this instrument for",
                             "the use of the data, and CDPP (Centre des",
                             "Données de la Physique des Plasmas) for the",
                             "provision of these data."]),
            'imsc': ' '.join(["This work is based on observations with the",
                              "magnetic field instrument IMSC embarked on the",
                              "satellite DEMETER launched by CNES (Centre",
                              "National d'Etudes Spatiales). The author thanks",
                              "M. Parrot the PI of this instrument for the use",
                              "of the data, and CDPP (Centre des Données de la",
                              "Physique des Plasmas) for the provision of",
                              "these data."]),
            'rnf': ' '.join(["This work is based on observations with the",
                             "neural network RNF embarked on the satellite",
                             "DEMETER launched by CNES (Centre National",
                             "d'Etudes Spatiales). The author thanks J.L.",
                             "Pinçon the PI of this instrument for the use",
                             "of the data, and CDPP (Centre des Données de",
                             "la Physique des Plasmas) for the provision of",
                             "these data."]),
            'idp': ' '.join(["This work is based on observations with the",
                             "particle spectrometer instrument IDP embarked on",
                             "the satellite DEMETER launched by CNES (Centre",
                             "National d'Etudes Spatiales). The author thanks",
                             "J.A. Sauvaud the PI of this instrument for the",
                             "use of the data, and CDPP (Centre des Données",
                             "de la Physique des Plasmas) for the provision of",
                             "these data."]),
            'isl': ' '.join(["This work is based on observations with the",
                             "Langmuir probe ISL embarked on the satellite",
                             "DEMETER launched by CNES (Centre National",
                             "d'Etudes Spatiales). The author thanks J.P.",
                             "Lebreton the PI of this instrument for the use",
                             "of the data, and CDPP (Centre des Données de la",
                             "Physique des Plasmas) for the provision of these",
                             "data."])}

    refs = {'iap': ' '.join(['Berthelier at al., 2006. IAP, the thermal plasma',
                             'analyzer on DEMETER, Planet. and Space Sci.,',
                             '54(5), pp 487-501.'])}

    if name not in refs.keys():
        refs[name] = 'Instrument reference information available at ' + \
            'https://demeter.cnes.fr/en/DEMETER/A_publications.htm'

    ackn_str = ackn[name]
    ref_str = refs[name]
    return ackn_str, ref_str