The sociology of social problems 
Paul B. Horton, Gerald R. Leslie 
 - London  MacDonald & Co  c1969 
 - 3v,  ill.;  24cm 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>035602606X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric power systems--Protection.