TY  - BOOK
AU  - IS:6-1949
TI  - Specification for heat duty fireclay refactories,Group 'A'
U1  - IS:6-1949 
PY  - 1949///
CY  - ISI
PB  - Delhi
UR  - http://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=652
ER  -