@book{48020,
	title = {Stratigraphy, structure and phtrography of the karnaphull valley between chandrachona and Rangamati /},
	publisher = {University of Dhaka, },
	year = {1960.},
	address = {Dhaka :},
	note = {Thesis (MS) -- Department of Geology, University of Dhaka,1960.}
}