added reference to docstring
added reference to docstring

mick-d/nipype_source,pearsonlab/nipype,wanderine/nipype,carolFrohlich/nipype,JohnGriffiths/nipype,christianbrodbeck/nipype,arokem/nipype,iglpdc/nipype,mick-d/nipype_source,carolFrohlich/nipype,iglpdc/nipype,mick-d/nipype,carlohamalainen/nipype,pearsonlab/nipype,carolFrohlich/nipype,sgiavasis/nipype,fprados/nipype,mick-d/nipype,carlohamalainen/nipype,wanderine/nipype,FCP-INDI/nipype,FredLoney/nipype,dmordom/nipype,Leoniela/nipype,glatard/nipype,rameshvs/nipype,Leoniela/nipype,dmordom/nipype,wanderine/nipype,grlee77/nipype,gerddie/nipype,glatard/nipype,grlee77/nipype,iglpdc/nipype,FredLoney/nipype,fprados/nipype,blakedewey/nipype,arokem/nipype,grlee77/nipype,mick-d/nipype,FCP-INDI/nipype,carolFrohlich/nipype,JohnGriffiths/nipype,iglpdc/nipype,blakedewey/nipype,rameshvs/nipype,mick-d/nipype,arokem/nipype,FredLoney/nipype,pearsonlab/nipype,dgellis90/nipype,pearsonlab/nipype,JohnGriffiths/nipype,blakedewey/nipype,dgellis90/nipype,arokem/nipype,FCP-INDI/nipype,sgiavasis/nipype,sgiavasis/nipype,christianbrodbeck/nipype,gerddie/nipype,JohnGriffiths/nipype,glatard/nipype,mick-d/nipype_source,glatard/nipype,carlohamalainen/nipype,wanderine/nipype,gerddie/nipype,blakedewey/nipype,rameshvs/nipype,dgellis90/nipype,gerddie/nipype,Leoniela/nipype,FCP-INDI/nipype,dmordom/nipype,dgellis90/nipype,grlee77/nipype,sgiavasis/nipype,rameshvs/nipype,fprados/nipype