array(5) { [0]=> string(15) "Ting-Chung Poon" [1]=> string(72) " Taegeun Kim (Author) - Engineering Optics With Matlab (World Scientific" [2]=> string(9) "2006).pdf" [3]=> string(8) " 3197848" [4]=> string(21) " 2008-09-03 10:38:4 " }