array(6) { [0]=> string(41) "[doi 10.1109%2Fpacrim.2003.1235963] Menon" [1]=> string(8) " S.; Cho" [2]=> string(16) " G.; Soderstrand" [3]=> string(117) " M. -- [IEEE 2003 IEEE Pacific Rim Conference on Communications Computers and Signal Processing (PACRIM 2003) (1).pdf" [4]=> string(7) " 391531" [5]=> string(21) " 2018-05-04 16:05:1 " }