Liu, Bo-TauBo-TauLiuWEN-CHANG CHENJYH-PING HSU2008-11-262018-06-282008-11-262018-06-281999http://ntur.lib.ntu.edu.tw//handle/246246/87101application/pdf216665 bytesapplication/pdfen-USMathematical modeling of a co-extrusion process for preparing gradient-index polymer optical fibersjournal article10.1016/S0032-3861(98)00387-52-s2.0-0033102281WOS:000077442200013http://ntur.lib.ntu.edu.tw/bitstream/246246/87101/1/03.pdf