TY  - BOOK
AU  - Hoefnagels, Marielle.
TI  - Biology: the essentials 
SN  - 9780078133435
AV  - QH 307.2 .H64 2009 
PY  - 2009///
PB  - Mc graw hill
KW  - Biology
N1  - Includes index
ER  -