RT Journal Article
SR Electronic
T1 Behavior Reinforcement
JF Science
JO Science
FD American Association for the Advancement of Science
SP 782
OP 782
DO 10.1126/science.186.4166.782
VO 186
IS 4166
A1 Powers, William T.
YR 1974
UL http://science.sciencemag.org/content/186/4166/782.1.abstract
AB