00450nam a2200109Ia 4500008004100000020002200041041001200063100001800075245004300093260003200136650017200168231221s9999    xx            000 0 und d  a978-0-387-09777-0  aEnglish  aEkram Hossain 0aHeterogeneous Wireless Access Networks  c2009bSpringer USaNew York  aCommunications Engineering, Networks; Computer Communication Networks; Microwaves, RF and Optical Engineering; Computer Systems Organization and Communication Networks