TY  - GEN
AU  - Gupta, I.C
TI  - Text book of engineering metrology/5th rev.ed
U1  - 62:681.2 
PY  - 1998///
CY  - New Delhi
PB  - Dhanpat Rai
KW  - Engineering metrology
KW  - 62:681.2
ER  -