SPIDER - IX. Classifying galaxy groups according to their velocity distribution
Journal article published in 2013 by
A.~L.~B Ribeiro,
R.~R de Carvalho,
M. Trevisan,
H. Capelato,
F. La Barbera 
,
P.~A.~A Lopes,
A.~C Schilling
,
P.~A.~A Lopes,
A.~C Schilling
