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1Journal Contribution bibliotecaUNESCO
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2Computer handling of geographical data ; an examination of selected geographic information systems / Computer handling of geographical data ; an examination of selected geographic information systems /by Tomlinson, R. F., principal investigator. 20671, Calkins, H. W., principal authors. 20672
Published 1976Texto bibliotecaCOLPOS -
3by Birkenstein, L.R. (comp.), Fish and Wildlife Service, Washington, DC (USA) eng, Tomlinson, R.E. (comp.)
Published MayTexto bibliotecaFAO IT -
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