TY  - BOOK
AU  - IS: 8244-1976
TI  - Methods of calibration of vacuum gauges by direct comparison with reference gauge
PY  - 1977///
CY  - ISI
PB  - New Delhi
UR  - http://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=10901
ER  -