Gaspar, E. (Emilian) <br/><br/>
Radioactive tracers in hydrology / 
by E. Gaspar and M. Oncescu translated from the Romanian by Magdalena Marinescu. 
 - Bucuresti (Bucharest):  Editura Academiei,  1972. 
 - 342 p. :  ill. ;  25 cm. 
 - Developments in hydrology  1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioisotopes in hydrology