EExploring the universeExploring the universede Gordon Arthur Hunter WalkerMateriasAstronomyGeophysicsEdiciones (1)Exploring the universe (1988)UBC Access, University of British Columbia · inglésMás obras de Gordon Arthur Hunter WalkerAA Simultaneous four-channel five-colour photometerA Simultaneous four-channel five-colour photometerAAstronomical observations with television-type sensors, 15-1Astronomical observations with television-type sensors, 15-17 May 1973Astronomical observations
AA Simultaneous four-channel five-colour photometerA Simultaneous four-channel five-colour photometer
AAstronomical observations with television-type sensors, 15-1Astronomical observations with television-type sensors, 15-17 May 1973
UUBV photometry of the associations Anon b4 and NGC 2081 in tUBV photometry of the associations Anon b4 and NGC 2081 in the LMC
