Astronomical Observationsfrom spacevehicles / 
Jan-Louis Steinberg 
 - Paris :  Astrophysical Observatory,  1966 
 - 370 p. 
 - International Astronomical Union Symposium  V. 23 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Dewey Class. No.: </label>A9I69f820