1.

Conference Proceedings
Conference Proceedings
1. Validation of ERS-1 SAR measurements of sea ice during Arctic-91
Askne, J. ; Ulander, L.M.H. ; CarlstrOm, A. ; Sun, Y. ; Birkeland, D.
Pub. info.: Proceedings of the First ERS-1 Symposium : space at the service of our environment, 4-6 November 1992, Cannes, France.  pp.289-294,  1993.  Paris, France.  ESA Publications Division
Title of ser.: ESA SP
Ser. no.: 359
2.

Technical Paper
Technical Paper
2. A permanent magnetic diaphragm-disc force motor for a hydraulic pilot valve
Sun, Y. ; Parker, G. A.
Pub. info.: A.S.M.E. paper.  1993.  New York, NY.  The American Society of Mechanical Engineers
Title of ser.: ASME Technical Paper : WA/FPST
Ser. no.: 1993