1 | E.W. East, D.T. McKay, C. Bogen, M. Kalin (2007), Developing Common Product Property Sets (SPie), Proceedings Computing in Civil Engineering. |
2 | http://www.buildingsmartalliance.org/index.php/proj ects/activeprojects/32 |
3 | http://www.e-SPECS.com |
4 | http://www.aec3.com/6/6_04.htm |
5 | http://www.aec3.com/6/6_02.htm |
6 | http://www.comiis.or.kr |
7 | http://www.g2b.go.kr:8100/index.jsp |