Houtgast, Jakob <br/><br/>
The variation in the profiles of strong fraunhofer lines along a radius of the solar disc 
Jakob Houtgast                                              
 - Utrecht  Drukkerij Fa Schotancs & Jens  1942 
 - 147p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fraunhofer lines<br/>Solar Disc
<br/><br/><label>Universal Decimal Class. No.: </label>523.92  / HOU