TY  - BOOK
T1  - Earthworm raising a gold mine
A1  - Catalan, Gabriel Isada 1944-
LA  - English
PP  - S.l.
PB  - s.n.]
YR  - 1980
UL  - https://tuklas.up.edu.ph/Record/UP-99796217604519913
OP  - 82
CN  - SB 998 E4 C36
KW  - Earthworm culture.
KW  - Earthworms : Handbooks, manuals, etc.
ER  -