TY  - BOOK
AU  - Sinha, R. K.
TI  - Mineral economics: a text book for university students
PY  - 1970///
CY  - New Delhi
PB  - Oxford & IBH
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=5285
ER  -