TY  - BOOK
ED  - World Metrological Organization
TI  - Guide to Metrological Instruments and Methods of Observation 
SN  - 9263160082
U1  - 551.50284 
PY  - 1996///
CY  - Geneva : 
PB  - World Metrological Organization, 
KW  - Instrument
KW  - Metrology
N1  - YN
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/92-63-16008-2.pdf
ER  -