The present status of long-range forecasting in the world :  report of a working group of the Commission for Aerology. 

 - Geneva :  Secretariat of the World Meteorological Organization,  1962. 
 - WMO TP. 56 WMO Technical Note ;  no. 48 .
 - WMO ;  no. 126 .
 - World Meteorological Organization ;  no. 126 .
 - WMO (Series) ;  no. 126. .
<br/><br/> Summary in French, Russian and Spanish. 
<br/><br/>Bibliography: p. 15-17. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Long-range weather forecasting.