TY  - BOOK
AU  - Penecilla,Gerard L.
AU  - Valmonte,Ligaya D.
AU  - Fandialan,Monina M.
AU  - Formacion,Minda J.
AU  - Sandoval,Aurea Marie M.
AU  - Esmeralda,Nehlia P.
TI  - Basic concepts in biology
SN  - 9714203341
U1  - PHs 574 
PY  - 2003///
CY  - Philippines
PB  - Trinitas Publishing, Inc.
N1  - Includes reference and index; 500-599
ER  -