Hillen, John. Blue helmets : the strategy of UN military operations / John Hillen. - 1st edition. - Washington [D.C.] : Brassey's, c1998. - xxiv, 312 pages ill., maps ; 24 cm. Includes bibliographical references (p. 289-305) and index. ISBN: 1574881388 9781574881387 LCCN: 97031652 Subjects--Corporate Names: United Nations--Armed Forces. Subjects--Topical Terms: Peacekeeping forces.International police. LC Class. No.: JZ6376 / .H55 1998 Dewey Class. No.: 327.1/6