00647nam a22001817a 4500 BD-DhUL 20190207095644.0 140910s1938 sw a|||| |||| 00| 0 eng d BD-DhUL BD-DhUL 522.1 SVC Svenonius, Bjorn. Contributions to the photographic study of colour, resolution and total magnitude of anagalactic objects : with special regard to objects photographed at Helwan / Bjorn Svenonius. Lund : Observatory, c1938. 160 p.: ill. ; 30 cm. Annals of the observatory of Lund; no. 7. Observatories. ddc BK 9635 9635 0 0 ddc 0 522_100000000000000_SVC 0 NFIC 17057 DUSL DUSL GEN 2014-09-10 Purchased 522.1 SVC 2852 2014-09-10 2014-09-10 BK