TY  - BOOK
AU  - Mader, Sylvia S.
TI  - Essentials of biology
SN  - 9780072886160
U1  - 570 
PY  - 2007///
CY  - Boston
PB  - McGraw-Hill
KW  - Biology
N1  - Includes bibligraphical references and index
UR  - www.mhhe.com
ER  -