@book{141438,
	author = {Chattopadhyaya, D.P.,ed. and Chattopadhyaya, D.P.,ed./},
	title = {History of science, philosophy and culture in Indian civilization: Vol 4, part 1},
	publisher = {PHISPC:Centre for Studies in Civilization},
	year = {2008},
	address = {New Delhi}
}