Hsieh, S.S.HsiehShih, Y.-J.Y.-J.Shih2008-11-042018-06-282008-11-042018-06-281992http://ntur.lib.ntu.edu.tw//handle/246246/85813application/pdf982639 bytesapplication/pdfen-USAutomated guided vehicle systems and their Petri-Net Propertiesjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/85813/1/15.pdf