@book{28501,
	author = {Sen, S N},
	title = {Project of history of Indian science, philosophy and culture},
	publisher = {Project History of India},
	year = {1996},
	address = {New Delhi},
	note = {Occasional paper 6: History of science in relation to philosophy and culture in Indian civilization: occassional paper 20: Scientific Tradition in India (3400-1500 B.C.)}
}