Grogan, Denis Joseph. <br/><br/>
More case studies in reference work / 
by Denis Grogan. 
 - London :  Clive Bingley,  1972. 
 - 293 p. ;  23 cm. 
<br/><br/>p. 279. 
<br/><br/><label>ISBN: </label>0851571247 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)--Case studies.<br/>Library science--Case studies.