Martyn, John <br/><br/>
Investigative methods in library and information science :  an introduction / 
John Martyn, F. Wilfred Lancaster. 
 - Arlington, Virginia :  Information Resources Press,  c1981. 
 - v, 260 p. 
<br/><br/><label>ISBN: </label>0878150358 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science--Research.