RT Journal Article SR Electronic T1 REPRINTS FROM ANNUAL TABLES JF Science JO Science FD American Association for the Advancement of Science SP 58 OP 58 DO 10.1126/science.59.1516.58 VO 59 IS 1516 YR 1924 UL http://science.sciencemag.org/content/59/1516/58.1.abstract AB