@book{21663,
	author = {Feynman , Richard P . and Leighton , Robert B . I},
	title = {The Feynman Lectures On Physics :},
	publisher = { Narosa Publishing House , },
	year = {1965 .},
	address = {New Delhi :},
	edition = {1st ed . },
	note = {Includes Index .}
}