TY  - BOOK
AU  - Berril, N J
TI  - Developement
U1  - 623.4 
PY  - 1980///
CY  - Newdelhi
PB  - Mcgraw-Hill
KW  - General Stack
KW  - Technology
KW  - Engineering & allied Operations
KW  - Military & nautical engineeringSpecial topicsZoology
ER  -