1.

Conference Proceedings
Conference Proceedings
1. Test aspheric with CGH based on a liquid crystal display
Xi, Q. ; Zhu, R. ; Gao, Z. ; Chen, L. ; Bai, X. ; Li, Y.
Pub. info.: Optical design and testing II : 8-12 November 2004, Beijing, China.  pp.694-697,  2004.  Bellingham, Wash..  SPIE - The International Society of Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 5638
2.

Conference Proceedings
Conference Proceedings
2. Digital Northeast China for about 100 years: RS dynamic observations and GIS frame design and example analysis regarding resources and the environment in Northeast China
Zhang, S. ; Xu, X. ; Li, Y. ; Chang, L. ; Zhang, Y. ; Gao, Z.
Pub. info.: Remote sensing and modeling of ecosystems for sustainability : 2-4 August 2004, Denver, Colorado, USA.  pp.400-409,  2004.  Bellingham, Wash., USA.  SPIE - The International Society of Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 5544
3.

Conference Proceedings
Conference Proceedings
3. Spatial pattern of forest cover changes in the northeast China since 1980s [5884-45]
Li, Y. ; Gao, Z. ; Jing, Y. ; Zhang, S.
Pub. info.: Remote sensing and modeling of ecosystems for sustainability II : 2-3 August 2005, San Diego, California, USA.  pp.588416-588416,  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
4.

Conference Proceedings
Conference Proceedings
4. Temporal-spatial analysis of dynamic change for grassland in the western part of Songnen Plain of China
Chang, L. ; Zhang, Y. ; Zhang, S. ; Li, Y. ; Gao, Z.
Pub. info.: Remote sensing and modeling of ecosystems for sustainability : 2-4 August 2004, Denver, Colorado, USA.  pp.499-506,  2004.  Bellingham, Wash., USA.  SPIE - The International Society of Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 5544