David Kenning
William Carlos Williams
William Henry Scott
Nicholas Clark and Associates.
David Jiménez
Paḳsher, Menaḥem Mendel ben Daṿid ha-Kohen
David J. Griffiths
William H. Pierson
David Gleyre Richards
William Gifford Palgrave
William Turner
Curtis, William
David Samson
William M. Lytle
William Byrd
David Gatward
Gemmell, David
David Ebershoff
William T. Vollmann
David Ezra Stein
William Henry
William Anderson
David de Rothschild
David Macinnis Gill
David Baddiel
William J. Frable
Nicholas J. Talley
David P. Jenkins
David Israel
David Smyth
David Sanderson
David Ramirez
David Ramirez
David Kerr
David Kerr
David Goldfischer
David McRaney
David Howells
David Sheff
David Goldfischer
David Perlmutter
David Mark
David A. Kolb
William Shakespeare
David A. deSilva
David Savill
David Triesman
David Dickinson
David Olson
Nicholas P. Cheremisinoff
William Montgomery Watt
Nicholas Leach
Nicholas P. Cheremisinoff
David Beasley
Cooper, David E.
David Punter
David C. Goodman
David Beasley
Philip M. Parker
Nauchno-prakticheskai︠a︡ konferent︠s︡ii︠a︡ "Prognoz, poiski, ot︠s︡enka rudnykh i nerudnykh mestorozhdeniĭ na osnove ikh kompleksnykh modeleĭ-- dostizhenii︠a︡ i perspektivy" (2006 Moscow, Russia)
Nauchno-prakticheskai︠a︡ konferent︠s︡ii︠a︡ "Prognoz, poiski, ot︠s︡enka rudnykh i nerudnykh mestorozhdeniĭ na osnove ikh kompleksnykh modeleĭ-- dostizhenii︠a︡ i perspektivy" (2006 Moscow, Russia)
Raw Materials Research and Development Council (Nigeria). Multi-Disciplinary Committee.
M. I︠A︡ Borovskiĭ
Robert E Tatnall
Workshop Recursos Minerais Não-Metálicos para o Estado de São Paulo (1994 São Paulo, Brazil)
American Society for Testing and Materia
American Society for Testing and Materia
Petrov, V. P.
David Emin
Svetlana Ivanovna Gubenko
Multi-disciplinary Task Force on Non-metallic Mineral Raw Materials for Nigerian Industries.
Richard Noetstaller
Advanced Seminar on Fracture Mechanics (5th 1985 Joint Research Centre, Ispra, Italy)
Mikhaĭlov, I͡U︡. K.
William Hayes
International Geological Congress (27th 1984 Moscow, Russia)
I͡A︡rzhemskiĭ, I͡A︡. I͡A︡.
Industrial Minerals International Congress (6th 1984 Toronto, Ont.)
Miloš Kužvart
United States International Trade Commission.
Industrial Minerals International Congress .