Lasker, G.W.. <br/><br/>
Research Strategies in Human Biology: Field and Survey Studies /  

 - 1st ed /  
 - Cambridge CB2 1RP :   Cambridge University Press ,   1978 
 - p.204,x :  
<br/><br/><label>ISBN: </label>0-521-43188-3 
<br/><br/><label>Dewey Class. No.: </label>Y:91:6t4  / N3