TY - BOOK AU - Hodgson R E ED - American Association for the Advancement of Science. TI - Germ plasm resources U1 - 631.522 PY - 1961/// CY - Washington PB - American Association for the Advancement of Science KW - Germ plasm KW - Plant breeding N1 - A symposium presented at the Chicago meeting of the American Association for the Advancement of Science, 28-31 Dec. 1959 ER -