TY  - BOOK
AU  - Realuyo,Zenaida M.
AU  - Carino,Virginia S.
TI  - Basic concepts of biological science
SN  - 9711500825
U1  - Fil 570  
PY  - 1997///
CY  - Quezon City
PB  - Katha Publishing
N1  - Includes reference and index; 500-599
ER  -