Meteorological conditions effecting aviation over the northwest frontier 
India Meteorological Department, Richard George Veryard and Amiya Krisna Roy                            
 - Delhi  Manager of Publications  1934 
 - 40p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Earth Atmosphere<br/>Meteorology
<br/><br/><label>Universal Decimal Class. No.: </label>55.5  / IMD