TY  - BOOK
AU  - Realuyo, Zenaida Montecastro 
TI  - Today's basic concepts in earth science
AV  - QE 26.2 R43 1982 F 
PY  - 1982///
CY  - Manila
PB  - Goodwill Trading Co., Inc., 
KW  - Earth science
N1  - Includes bibliographical references and index.
ER  -