@book{67510,
	author = {O'Shea, Donald C. and Callen, W. Russell,},
	title = {Introduction to lasers and their applications /},
	publisher = {Addison-Wesley Pub. Co.,},
	year = {c1977 [reprintog 1978]},
	series = {Addison-Wesley series in physics},
	address = {Reading, Mass. :}
}