Formal description of programming concepts : proceedings of the IFIP Working Conference on Formal Description of Programming Concepts, St. Andrews, N.B., Canada, August 1-5, 1977 2026-02-15T15:00:17+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Neuhold, Erich J. (North-Holland Pub. Co., 1978)