TY - BOOK AU - Ruchlis, Hyman TI - Investigating organisms ET - 1st and 2nd ed PB - Harcourt Brace Jovanovich PY - 1972 T2 - Concepts in science VL - . Life : its forms and changes EP - 2 v. UR - https://ci.nii.ac.jp/ncid/BB1183107X SN - 015001368X SN - 0150013698 ER -