00453nam a2200157 4500 20260421132131.0 260421b ph ||||| |||| 00| 0 eng d PHSA 574.5 Thurber, Walter A. Exploring life science : the environment / Walter A. Thurber, Robert E. Kilburn, Peter S. Howell. Boston : Allyn & Bacon, Inc., c1975. Science ddc BK 3352 3352