@misc {MATHEDUC.02454746,
    author       = {Kuntze, K.},
    title        = {Geometry. Geometrie .},
    howpublished = {Mathematics instruction at elementary school. Aids for the Bavarian curriculum of 1974. Der Mathematikunterricht in der Grundschule. Handreichungen zum bayerischen Lehrplan von 1974. Editor(s): Kriegelstein, A. Muenchen, Germany, F.R.: Ehrenwirth. 1975. p. 67-83. 2. ed. ISBN: 3431017096},
    year         = {1975},
    identifier   = {1977b.00630},
}