Programme (and extended synopses) :  International Symposium on the Use of Isotope Techniques in Water Resources Development, Vienna, 11-15 March, 1991. 

 - Vienna :  International Atomic Energy Agency,  1991. 
 - 1v. (various pagings) ;  23 cm. 
<br/><br/> Text in English, French, Russian and Spanish. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioactive tracers in water pollution research--Congresses.<br/>Radioisotopes in hydrology--Congresses.