RT Journal Article SR Electronic T1 Responsibility JF Science JO Science FD American Association for the Advancement of Science SP 329 OP 329 DO 10.1126/science.179.4071.329 VO 179 IS 4071 A1 Holmes, Anne Elizabeth YR 1973 UL http://science.sciencemag.org/content/179/4071/329.1.abstract AB