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Wittmann, Erich, 1939-

LC control no.no2009037093
Personal name headingWittmann, Erich, 1939-
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Found inBeiträge zur Mathematikdidaktik, c1976: t.p. (Erich Wittmann)
OCLC, Mar. 11, 2009 (hdg.: Wittmann, Erich, 1939-; usage: not given)