Tsuneo Nakanishi Mitsunori Fujita Susumu Yamazaki Naohito Yamashita Shuichi Ashihara Tailoring the Domain Engineering Process of the PLUS Method. 486-493 2007 conf/apsec/2007 APSEC http://doi.ieeecomputersociety.org/10.1109/APSEC.2007.89 db/conf/apsec/apsec2007.html#NakanishiFYYA07