Symposium on isotopes and radiation techniques in studies of soil ph ysics, irrigation and drainage in relation to crop production, Vienna, 1-5 October 1973. 

 - Vienna ,    1973. 
 - 23 p. ;    21 cm. 
<br/><br/>  In English, French, Russian and Italian. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Soil physics.<br/> Irrigation.<br/> Drainage.