00562nam a2200157Ia 4500003000900000008004100009040001600050080001200066100002200078245017300100260004700273300002300320650002700343700001800370700001600388IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a52bKEM  aKemp, D. Alasdair 2aA handbook on the use of the universal decimal classification in astronomycD. Alasdair Kemp, G. Wilknis and Valerie Bacon                                                aEnglandbRoyal Greenwich Observatoryc1976  a[various pagings.]  aUDC, Astronomy, draft.  aBacon,Valerie  aWilknis, G.