TY  - BOOK
AU  - ENGER D.E/ CROSS C.FR/ BAILEYB.D
TI  - Concept in biology
SN  - 9780071287890
AV  - QH 303.2 E5 2009 
PY  - 2009///
CY  - new york
PB  - Mcgraw hill higher education
ER  -