Astrophysics Data System (ADS)
a digital library portal for researchers in astronomy and physics, operated by the Smithsonian Astrophysical Observatory (SAO) under a NASA grant.
a database containg articles waiting to be published.
ISI Web of knowledge - Web of science
an academic citation indexing and search service. Its coverage encompasses the sciences, social sciences, arts and humanities.
Spatial data analysis : an introduction for GIS users
Lloyd, Christopher D (Oxford University Press, 2010)Received in the library 10 January.
Himmelkalenderen 2020 : astronomisk håndbok og almanakk
Ovaldsen, Jan-Erik (Månelys forlag, 2019)Received in the library 20 December.
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