TY - BOOK AU - Hopson,Janet L. AU - Wessells,Norman K. TI - Essentials of biology SN - 0075571080 (hardcover) U1 - 574 HOP PY - 1990/// CY - [S.l.] PB - McGraw-Hill Companies KW - biology N2 - This is a shortened version of the text, Biology, by Wessells and Hopson, focusing on the key topics commonly taught in introductory biology courses UR - http://www.amazon.com/exec/obidos/ASIN/0075571080/chopaconline-20 ER -