Tertiary geology and oil fields of Assam : Guide to excursion Wos A 17 and C-14 /
compiled by A. B. Das Gupta ... [et al.] editor by B. C. Roy and A. G. Jhingran
- New Delhi : [s.n.] , 1964
- 37 p. : fig., map ; 21 cm.
International geological congress xxii session India 1964