TY  - BOOK
AU  - Have Van Der, J.H .
TI  - Petroleum and its products
PY  - 1957///
CY  - London
PB  - Sir ISAAC Pitman and Sons Ltd.
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=970
ER  -