TY  - BOOK
AU  - SETHI, G.S.
AU  - KAKKAR, K.
TI  - WORKSHOP CALCULATION AND SCIENCE
SN  - 0074519069
U1  - 684/SET 
PY  - 2000///
CY  - NEW DELHI.
PB  - TATA MCGRAW HILL CO LTD., NEW DELHI.
ER  -