@book{47971,
	title = {Gravity survey of Patnitola Porsha-Rosulpur-Kasipur area, Rajshahi district, East Pakistan / },
	publisher = {University of Dhaka, },
	year = {1969.},
	address = {Dhaka : },
	note = {Thesis (MS) -- Department of Geology, University of Dhaka, 1969.

}
}