@book{42560,
	author = {Begum, Khondaker Selima},
	title = {Characterization of defect centres and study of electrical, magnetic and optical properties of some impury doped II-VI and other semiconducting materials / },
	publisher = {University of Dhaka, },
	year = {2003.},
	address = {Dhaka : },
	note = {Thesis (Ph.D.)--Department of Physics, University of Dhaka, 2003. }
}