Ahlgren, Alice Elizabeth <br/><br/>
Cost/utility implications of providing on-line search services through public libraries / 
by Alice Elizabeth Ahlgren 
 - Stanford, California :  Stanford University,  1976 
 - 154 p. ;  20 cm. 
<br/><br/>Thesis (Ph.D.)-Stanford University, 1976 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems--Cost accounting<br/>Public libraries--Reference services