Vohra, K G, ed <br/><br/>
National radiation environment; proceedings of the 2nd special symposium on natural radiation environment held at bhabha atomic research centre, Bombay 400089, India during January 19-23, 1981 

 - New Delhi  Wiley Eastern  1982 
 - xi, 691 p. 
<br/><br/><label>Dewey Class. No.: </label>574.5 V869N