%0 Journal Article %T Behavior Observation Scale: perliminary analysis of the similarities and differences between autistic and mentally retarded children. %A Freeman, B J %A Guthrie, D %A Ritvo, E %A Schroth, P %A Glass, R %A Frankel, F %J Psychological reports %V 44 %N 2 %P 519-524 %@ 0033-2941 %D 1979-09-25 %~ DeepDyve