Showing 1 - 2 results of 2 for search '"North Rhine-Westphalia (Germany) -- Economic conditions -- Mathematical models"' Refine Results
  1. 1
    by Pütz, Heinz
    Published 1975
    Berlin : Duncker & Humblot, 1975.
    203 p. : ill. ; 24 cm.
    E-Resource Print Book
  2. 2
    by Schönebeck, C.
    Published 1982
    Laxenburg, Austria : International Institute for Applied Systems Analysis, [1982]
    ix, 52 p. : ill. ; 30 cm.
    E-Resource Print Book