@book{62142,
	author = {Gupta, S K (Ed.) and National Conference and exhibition on "Development of Science and technology in the last 50 years in India with special reference to North-East India and Datta, R K (Ed.)},
	title = {National Conference and Exhibition on "Development of Science and technology in the last 50 years in India with special reference to north-east India "(May 27-30, 1998)},
	publisher = {Shillong College},
	year = {1999},
	address = {Shillong}
}