TY  - BOOK
AU  - Ramaswamy, G.S
TI  - SI units: a source book
PY  - 1971///
CY  - New Delhi
PB  - Tata Mc graw-Hill Pub. co. ltd.
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=6294
ER  -