TY  - BOOK
AU  - Graph, Heinz
TI  - Vaidhuthaprathishtapanam
U1  - 621.3 
PY  - 1900///
CY  - Kottayam
PB  - NATIONAL BOOKSTALL
KW  - general stack
KW  - Technology
KW  - Engineering
KW  - Applied PhysicsGeneralia
ER  -