@book{116834,
	title = {A study of airborne radioactivity at Dacca and a study of energy response of a long counter between 16 and 20 MeV /},
	publisher = {University Of Dhaka, },
	year = {1971.},
	address = {Dhaka : },
	note = {Thesis (MS )-- Department of Physics, University of Dhaka,1971.}
}