TY - BOOK AU - Hodgson, Ralph Edward, ED - American Association for the Advancement of Science ; TI - Germ plasm resources: a symposium presented at the Chicago meetin g of the American Association for the Advancement of Science, 28-31 Dec ember, 1959 U1 - 636.082 AME PY - 1961/// CY - Washington PB - American Association for the Advancement of Science KW - Breeding N1 - Includes bibliographies ER -