Mervyn W. Billinghurst
T. A. Baillie
Chih Hsing Wang
Clark, Ian D.
Victor Arena
International Symposium on Water Tracing (6th 1992 Karlsruhe, Germany)
E. BUNCEL
William C. Eckelman
Bernard Zemel
Consultants Meeting on Isotopes of Noble Gases as Tracers in Environmental Studies (1989 Vienna, Austria)
H. Hotzl
Adrain D. Nunn
Claudio Cobelli
IAEA
Lappin, Graham PhD.
Bhagwan S. Shukla
Ian Douglas Clark
Pierre Guegueniat
David Steven Schimel