TY  - BOOK
AU  - Hoefnagels, Marielle.
TI  - Biology: The essentials
SN  - 9780078133435
AV  - QH 307.2 .H64 2013 
PY  - 2013///
CY  - USA
PB  - Mc Graw hill
KW  - Biology
N1  - Includes bibliographical references and index
ER  -