TY  - BOOK
T1  - The Macmillan science-life series
A1  - Barnard, John Darrell 1906-
LA  - English
PP  - New York
PB  - Macmillan
YR  - 1959
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217606667013
CN  - Q 161 B34 1959 vol.1
KW  - Readers and speakers : 1950-
ER  -