PHYSIOLOGICAL ECOLOGY/ 
D.K ARORA,SEEMA GUPTA 
 - New Delhi, India:  Anmol Publications Pvt Ltd,  c1996. 
 - v,435 p.;  ill.:  22 cm. 
<br/><br/><label>ISBN: </label>8174882375 
<br/><br/><label>LC Class. No.: </label>QK717  / .A76 1996