Sources of information for the literature of geology: an introductory guide/
Mackay, John Watson
Sources of information for the literature of geology: an introductory guide/ by John W. Mackay - London: Geological Society of London, 1973 - iv, 61 pages : ill. ; 30 cm.
Geology--Bibliography.
Geology--Information services.
Sources of information for the literature of geology: an introductory guide/ by John W. Mackay - London: Geological Society of London, 1973 - iv, 61 pages : ill. ; 30 cm.
Geology--Bibliography.
Geology--Information services.
