00000cam a22000003a 4500 UP-99796217608275187 Buklod 20080318131834.0 m |o d | ta 080318s1965 xx d r |||| u| (iLib)UPD-00014946145 DISMED eng QH 652 R34 1965 Radioisotopes in biological research and teaching Clarence Lange, National Association of Biology Teachers and the United States Atomic Energy Commission. Danville, IL The Association c1965 401-503 p. ill. The American Biology Teacher special issue, vol. 27 (6) August 1965. Radioisotopes in biology. Biology Study and teaching. cLange, Clarence. National Association of Biology Teachers. United States. Atomic Energy Commission. FO UPD DISMED QH 652 R34 1965 Book