TY  - BOOK
T1  - Science and the future of mankind
A2  - Boyko, Hugo
LA  - English
PP  - Den Haag
PB  - W. Junk
YR  - 1961
UL  - https://tuklas.up.edu.ph/Record/UP-99796217607772391
OP  - 380
CN  - Q125 B79 1961
ER  -