RT Journal Article
SR Electronic
T1 THE AMERICAN PHILOSOPHICAL SOCIETY
JF Science
JO Science
FD American Association for the Advancement of Science
SP 536
OP 536
DO 10.1126/science.61.1586.536-a
VO 61
IS 1586
YR 1925
UL http://science.sciencemag.org/content/61/1586/536.2.abstract
AB