AU  - Ullal,S R.
AU  - Narasimhanna,M N.
TI  - Handbook of practical sericulture / 
U1  - 638.2 
PY  - 1981///
CY  - Bombay : 
PB  - Central Silk Board , 
KW  - Silkworm
KW  - Sericulture
ER  -