Photosynthesis under environmental stress :  proceedings of the indo- USSR symposium 
/ edited by V. L.Chopra, [et all]. 
 - New Delhi :  Indian National Science Academy,  1987. 
 - iii, 571 p. ;  25 cm. 
<br/><br/><label>Dewey Class. No.: </label>581.13342 PHO  / 2096