00562nam a2200169Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d IIA Library 523.92 HOU Houtgast, Jakob 2322 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. Fraunhofer lines 2323 Solar Disc 2324 BK 1091 1091 0 0 0 0 BAN BAN GEN 0000-00-00 0 523.92/ HOU 1149 2021-11-05 0000-00-00 BK