1.

Conference Proceedings
Conference Proceedings
1. Change analysis on land desertification and vegetation cover in Zhengzhou City, China in the last 10 years [6298-83]
Chen, H. ; Du, Z. ; Zhang, X. ; Liu, Z. ; Wang, S. ; Wang, J.
Pub. info.: Remote sensing and modeling of ecosystems for sustainability III : 14-16 August 2006, San Diego, California, USA.  pp.629820-629820,  2006.  Bellingham, Wash..  SPIE - The International Society of Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 6298
2.

Conference Proceedings
Conference Proceedings
2. Two schemes of modulation-free frequency stabilization of grating-external-cavity diode laser via cesium sub-Doppler spectra [6028-37]
yan, S. ; Du, Z. ; Yang, H. ; Zhang, T. ; Wang, J.
Pub. info.: ICO20 : lasers and laser technologies : 21-26 August, 2005, Changchun, China.  pp.602811-602811,  2005.  Bellingham, Wash..  SPIE - The International Society of Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 6028