Recent advances in botany :  Prof. P. N. Mehra commemorative volume / 
editor, P. Kachroo. 
 - Dehra Dun : Delhi :  Dehra Dun : Delhi :  Bishen Singh Mahendra Pal Singh ; Periodical Experts Book Agency,  Bishen Singh Mahendra Pal Singh ; Periodical Experts Book Agency,  1976. 
<br/><br/>"List of publications of Prof. Mehra": p. ix-xvi. Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label> Rs95.00 
<br/><br/><label>LCCN: </label>77903876 //r91 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mehra, Pran Nath.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany.
<br/><br/><label>LC Class. No.: </label>QK81  / .R39 
<br/><br/><label>Dewey Class. No.: </label>581