RT Journal Article
SR Electronic
T1 BIOLOGIA GENERALIS
JF Science
JO Science
FD American Association for the Advancement of Science
SP 424
OP 424
DO 10.1126/science.60.1558.424
VO 60
IS 1558
A1 Pearl, Raymond
YR 1924
UL http://science.sciencemag.org/content/60/1558/424.1.abstract
AB