TY  - BOOK
AU  - Yokoyama, Tadao
TI  - SILKWORM GENETICS ILLUSTRATED
U1  - 638.2 
PY  - 1959///
CY  - Tokyo
PB  - Japan Society For The Promotion Of Science
KW  - Silkworms
KW  - Genetics
N1  - Errata : 4 P. Inserted
ER  -