Isotopes of noble gases as tracers in environmental studies :  proceedings of ... studies / 
organized by the International Atomic Energy Agency and held in Vienna from 29 May to 2 June 1989 
 - Vienna :  International Atomic Energy Agency,  1989 
 - 305 p. :  ill. ;  24 cm. 
 - Panel proceeding series  00741876 .
<br/><br/><label>ISBN: </label>920100592X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gases, Rare<br/>Radioactive tracers in water pollution research