International geophysical year, world data center A, solar activity high altitude observatory :    intermediate reports of surgeas and acti ve prominence regions July September, 1958 

 - Washington :    National Academy of Science,    1958 
 - P.[n.p.] :    28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Solar activity<br/> Solar rediation<br/> Statistical services
<br/><br/><label>Dewey Class. No.: </label>IGY (08) 10 /6