TY  - BOOK
AU  - Distefano,Matthew
TI  - Homework helpers
SN  - 9781601631640
AV  - QH307.2  .D57 2011
PY  - 2011///
CY  - Pompton Plains, NJ
PB  - Career Press
KW  - Biology
N1  - "Enhanced & updated"--P. [1] of cover; Includes index
ER  -