Critical velocity of superfluid helium flow in fine pore filters
Hofmann, A.
1991. Space Cryog.Workshop, Pasadena, Calif., July 31 - August 1, 1989 3.Symp.Waermeuebertragung in Kryostatsystemen, Charkow, SU, 7.-14.Oktober 1989 Cryogenics,(1990), 30, 216–21 

Low-cycle fatigue properties of the helium-implanted 12% Cr-steel DIN 1.4914 (MANET)
Lindau, R.; Moeslang, A.
1991. Journal of Nuclear Materials, Proc.of the 4th Internat.Conf.on Fusion Reactor Materials (ICFRM-4), Kyoto, J, December 4-8, 1989, Part A, 179-181, 753–56 

Distribution of iron over copper sites in GdBa₂(Cu₁₋ₓFeₓ)₃O₇₋sub(d)ₑsub(l)sub(t)ₐ
Bornemann, H. J.; Kmiec, R.; Czjzek, G.
1991. Low Temperature Physics, 1989 Fall Meeting of the Materials Research Society, Boston, Mass., November 27 - December 2, 1989 Chernozatonsky, L.A. [Hrsg.] Investigation of High Temperature Superconductors. Modern Spectroscopic and Microscopic Methods : Proc. of an USSR - FRG Bilateral Seminar, Tallinn, SU, October 30 - November 5, 1989 Moskva : Academy of Sciences of the USSR, 1990 S.17-22 34th Annual Conf.on Magnetism and Magnetic Materials, Boston, Mass., November 28 - December 1, 1989 Proc.of the 19th Internat.Conf.on (LT 19), Brighton, GB, August 16-22, 1990 Physica B, 165+166(1990) S.1223-24 

Structure and dynamics at metal surfaces
Bohnen, K. P.; Ho, K. M.
1991. Selected Proc.of the 11th Internat.Vacuum Congress (IVC-11) and 7th Internat.Conf.on Solid Surfaces (ICSS-7), Koeln, September 25-29, 1989 Vacuum,(1990) Vortr.: Center of Surface Studies, Milwaukee, Wis., 8.Dezember 1989 Vortr.: Ames Laboratory, Ames, Iowa, 8.Februar 1990 Vortr.: Kansas State University, Manhatten, Kan., 1.Mai 1990 Vortr.: ILL, Grenoble, 24.Juni 1991, 41, 416–21 

STATIV - an iterative statistical procedure
Peter, N.
1991. Nuclear Materials Management, Workshop der Deutschen Gesellschaft zur Wiederaufarbeitung von Kernbrennstoffen, Karlsruhe, 4.-6.April 1989 Annual Meeting of the Institute of : 31st, Los Angeles, Calif., July 15-18, 1990 ; Proc. : Proc.Issue,(1990), 19, 801–05 

Modification of turbulent fluxes and temperature fields in the atmospheric surface layer over two adjacent agricultural areas: a case study
Kalthoff, N.; Corsmeier, U.; Fiedler, F.
1991. Annales Geophysicae, 14th General Assembly of the European Geophysical Society, Barcelona, E, March 13-17, 1989, 9, 521–33