ONGC Bulletin (charts)
Raju, D. S. N.
ONGC Bulletin (charts) - Dehradun : Keshava Devamalaviya Institute of Petroleum Exploration Dehradun, 2009. - various pagination :
Introductory notes to 15 charts (texts).
Mega chart
ONGC
559.859 / RAJ/O-II
ONGC Bulletin (charts) - Dehradun : Keshava Devamalaviya Institute of Petroleum Exploration Dehradun, 2009. - various pagination :
Introductory notes to 15 charts (texts).
Mega chart
ONGC
559.859 / RAJ/O-II