TY  - BOOK
AU  - Enger,Eldon D.
AU  - Ross,Frederick C.
TI  - Concepts in biology: Student study guide 
SN  - 0697360563
U1  - 570 14
PY  - 2000///
CY  - Boston
PB  - McGraw-Hill
KW  - Biology
KW  - Sinh học
ER  -