TY  - BOOK
T1  - Spaceship earth physical science
T2  - Spaceship earth
A1  - Hill, Faith Pitch
A2  - Barcaski, Peter B.
LA  - English
PP  - Boston
PB  - Houghton Mifflin
YR  - 1974
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217606735367
OP  - 453
CN  - Q 181 S7 H56 1974 Text
KW  - Science : Study and teaching (Elementary).
KW  - Physical science : Study and teaching (Elementary).
KW  - Physics : Study and teaching (Elementary).
ER  -