Reference channels and normalization.
Reference channels and normalization.

neurodata/ndstore,neurodata/ndstore,openconnectome/open-connectome,openconnectome/open-connectome,openconnectome/open-connectome,openconnectome/open-connectome,neurodata/ndstore,openconnectome/open-connectome,openconnectome/open-connectome,neurodata/ndstore