Wienert, K. A. <br/><br/>
Notes on geomagnetic observatory and survey practice, 
by K. A. Wienert. 
 - [Paris]  Unesco  [1970] 
 - Earth sciences ;  5 .
 - United Nations Educational, Scientific and Cultural Organization. [Document]  SC.68/D.64/A. .
 - [Document] (Unesco) ;  SC.68/D.64/A. .
<br/><br/>Bibliography: p. 210-212. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>LCCN: </label>76511432 //r902 
<br/><br/><label>Nat. Bib. No.: </label>F*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomagnetism -- Observatories.--Geomagnetism -- Observatories.<br/>Magnetic instruments.<br/>Geomagnetism -- Observers' manuals.--Geomagnetism -- Observers' manuals.
<br/><br/><label>LC Class. No.: </label>AS4  / .U8A15 SC.68/D.64/A 
<br/><br/><label>Dewey Class. No.: </label>538/.78