Kurt Niedenzu
Padwa
Andrew Dequasie
Evamarie Hey-Hawkins
Drahomír Hnyk
Dennis G. Hall
Anton Behme Burg
Narayan S. Hosmane
International Symposium on Boron in Soils and Plants (1997 Chiang Mai, Thailand)
John R. Garbarino
R. J. Brotherton
Meng Li
K. Wade
Wolfgang A.G. Sauerwein
Emmett Price
International Workshop on All Aspects of Animal and Plant Boron Nutrition (2001 Bonn, Germany)
G. V. Samsonov
Bärbel Hönisch
V.I. Matkovich
International Meeting on Boron Chemistry (4th 1979 Salt Lake City, Utah and Snowbird, Utah)