T. B. Spruill
Scott N. Hamlin
J. R. Freney
W. V. Bartholomew
Peter B. McMahon
F.P.W Winteringham
John D Alexander
Walter Rast
Rama Nagina Singh
G. V. Steele
Robert J. Simoneau
Jeffrey R. Deacon
J. B. Lawes
Nitrogen Workshop (8th 1994 University of Ghent)
Raymond J Lishka
G. C. Ennik
HNS 98 (1998 Espoo, Finland and Stockholm, Sweden)
Elly E. Holcombe
Patricia B. Ging
Atila Huseyin Senel