Discussion of 157 mostly new variable stars discovered by Dr. H. van Gent in the region around B. D. -18IJ 5206 / J. Uitterdijk ; prepared for publication and partly discussed by P.Th. Oosterhoff
Posthuum verschenen studie, bedoeld als proefschrift
Discussion of 157 mostly new variable stars discovered by Dr. H. van Gent in the region around B. D. -18IJ 5206