TY  - BOOK
AU  - Dela Pena, Renato
AU  - Gracilla, Daniel E; Pangilinan, Christian
TI  - Earth and  life science
SN  - 9786214150489
AV  - 573 D33e c2016 
PY  - 2016///
CY  - Pasay City
PB  - JFS Publishing Services
KW  - Earth science
KW  - Life science
ER  -