1.

Conference Proceedings
Conference Proceedings
1. Heterogeneous Micropore Structure and Vapor Adsorption on Activated Carbons
Xie, Z. ; Yuan, C. ; Ma, L. ; Guo, K.
Pub. info.: Fundamentals of adsorption : proceedings of the Fourth International Conference on Fundamentals of Adsorption, Kyoto, May 17-22, 1992.  pp.743-,  1993.  Tokyo.  Elsevier
Title of ser.: Studies in surface science and catalysis
Ser. no.: 80
2.

Technical Paper
Technical Paper
2. Visual navigation around curved obstacles
Blake, A. ; Brady, M. ; Cipolla, R. ; Xie, Z. ; Zusserman, A.
Pub. info.: NASA Technical Reports.  pp.1-21,  1990.  National Aeronautics and Space Adminstration