%0 Journal Article
%A Behrang Noohi
%T Notes on 2-groupoids, 2-groups and crossed modules
%J Homology, homotopy, and applications
%D 2007
%P 75-106
%V 9
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4310/HHA.2007.v9.n1.a3/
%R 10.4310/HHA.2007.v9.n1.a3
%G en
%F HHA_2007_9_1_a3