TY  - BOOK
TI  - Frontline of dicovery
SN  - 870449796
U1  - 600 F92 1994 
PY  - 1994///
CY  - Washington, D.C.
PB  - National Geographic Society
KW  - Discoveries in science
KW  - Inventions
UR  - https://sic-library.pilc.org.ph/cgi-bin/koha/opac-retrieve-file.pl?id=9aff3c5c0b62a531face304d7e511dc2
ER  -