TY - BOOK AU - Enger,Eldon D. AU - Ross,Frederick C. TI - Concepts in biology SN - 0072346949 (pbk. : alk. paper) AV - QH308.2 .En3 U1 - 570 21 PY - 2003/// CY - Boston PB - McGraw-Hill KW - Biology UR - http://www.loc.gov/catdir/description/mh021/2001052131.html UR - http://www.loc.gov/catdir/toc/mh021/2001052131.html ER -