TY  - BOOK
AU  - Melchor, Mariano B.
TI  - introduction to biology
SN  - 978-971-23-4873-0
U1  - Fil. 570 M518 2007 
PY  - 2007///
CY  - Manila
PB  - Rex Book Store, 
KW  - Biology
N1  - Includes bibliographies and index
ER  -