Mackay, John Watson <br/><br/>
Sources of information for the literatureof geology:  an introductory guide/ 
John W. Mackay 
 - 2nd ed. 
 - London:  Geological Society of London/  1974 
 - v, 59 pages ;   30 cm. 
<br/><br/>Bibliography: p. 59. 
<br/><br/><label>ISBN: </label>0707300533 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Bibliography.<br/>Geology--Information services.