Methods In Environmental And Behavioral Research 
Edited By Robert B Bechtel,  Robert W Manans and William Michelson 
 - New York :   Van Nostrand Reinhold,   Copyright 1987. 
 - vi, 415 pages  23 cm 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0894644793 (Hbk) 
<br/><br/><label>LC Class. No.: </label>BF353 MET 1987