RT Journal Article
SR Electronic
T1 News of Science
JF Science
JO Science
FD American Association for the Advancement of Science
SP 1245
OP 1250
DO 10.1126/science.124.3234.1245
VO 124
IS 3234
YR 1956
UL http://science.sciencemag.org/content/124/3234/1245.abstract
AB