1.

Conference Proceedings
Conference Proceedings
1. GIS grid calculation method application in urban eco-environment assessment: a case study of Longxi County in Gansu Province, China [5884-38]
Zhang, X. ; Dong, S. ; Yin, W. ; Li, S. ; Gao, Z.
Pub. info.: Remote sensing and modeling of ecosystems for sustainability II : 2-3 August 2005, San Diego, California, USA.  pp.588410-588410,  2005.  Bellingham, Wash., USA.  SPIE - The International Society of Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 5884
2.

Technical Paper
Technical Paper
2. Development of Diesel Particulate Filters for Qingdao Urban Buses.
Xiao, F. ; Lu, c. ; Zhang, X. ; Yang, B. ; Gao, Z.
Pub. info.: 2004 Powertrain and Fluid Systems Conference and Exhibition : SAE technical paper.  2004.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2004