Proceedings of the international workshop on magnetic observatory instruments  issue 88 
edited by R. L. Coles 
 - Ottawa  Geological Survey of Canada  1988 
 - 94p.  illus. 
 - Geomagnetic Series; No. 32 .
<br/><br/><label>ISBN: </label>660129353 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magnetic Observatory Instruments
<br/><br/><label>Universal Decimal Class. No.: </label>550.380.8  / GSC