@book{40065,
	author = {Sinha, S.K.},
	title = {Spin waves and magnetic excitations},
	publisher = {North-Holland},
	year = {1988},
	series = {Modern problems in condensed matter sciences / edited by V.M. Agranovich and A.A. Maradudin},
	address = {Amsterdam},
	note = {Includes index}
}