TY  - BOOK
AU  - Penecilla, Gerard L.
TI  - Basic concepts in Biology
SN  - 9714203341
U1  - Fil 574 B292 2003  
PY  - 2003///
CY  - Bulacan
PB  - Trinitas Pub.
KW  - Biology
N1  - Includes bibliographical references and index
ER  -