Jong, Bartele de. <br/><br/>
Net radiation received by a horizontal surface at the earth / 
By B. de Jong. 
 - Delft :  Delft University Press,  1973 
 - 99 p. :  12 fold. maps.;  30 cm. 
<br/><br/>Bibliography: p. 49-51. 
<br/><br/><label>ISBN: </label>9029830018 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Solar radiation.<br/>Solar radiation--Maps.