array(5) { [0]=> string(15) "heter_net\Aiash" [1]=> string(5) " Mapp" [2]=> string(66) " Lasebae - 2011 - A QoS Framework for Heterogeneous Networking.pdf" [3]=> string(7) " 854223" [4]=> string(21) " 2011-07-31 21:53:1 " } array(5) { [0]=> string(20) "heter_net\Bellavista" [1]=> string(8) " Corradi" [2]=> string(128) " Giannelli - 2010 - A Unifying Perspective on Context-Aware Evaluation and Management of Heterogeneous Wireless Connectivity.pdf" [3]=> string(7) " 456557" [4]=> string(21) " 2011-09-21 11:22:1 " } array(5) { [0]=> string(16) "heter_net\Ferrus" [1]=> string(8) " Sallent" [2]=> string(110) " Agusti - 2010 - Interworking in heterogeneous wireless networks Comprehensive framework and future trends.pdf" [3]=> string(8) " 2034365" [4]=> string(21) " 2011-04-20 08:51:0 " } array(4) { [0]=> string(12) "heter_net\Hu" [1]=> string(83) " Mao - 2010 - Streaming Scalable Videos over Multi-Hop Cognitive Radio Networks.pdf" [2]=> string(7) " 488616" [3]=> string(21) " 2011-07-02 15:17:2 " } array(4) { [0]=> string(23) "heter_net\Lopez-Benitez" [1]=> string(113) " Gozalvez - 2011 - Common Radio Resource Management Algorithms for Multimedia Heterogeneous Wireless Networks.pdf" [2]=> string(7) " 411950" [3]=> string(21) " 2011-04-20 08:50:4 " } array(4) { [0]=> string(16) "heter_net\Shiang" [1]=> string(132) " Schaar - 2008 - Queuing-Based Dynamic Channel Selection for Heterogeneous Multimedia Applications Over Cognitive Radio Networks.pdf" [2]=> string(8) " 1247154" [3]=> string(21) " 2011-07-02 15:14:0 " } array(4) { [0]=> string(13) "heter_net\Sun" [1]=> string(108) " Letaief - 2008 - User Cooperation in Heterogeneous Cognitive Radio Networks with Interference Reduction.pdf" [2]=> string(7) " 138308" [3]=> string(21) " 2011-04-20 14:18:0 " }