Kölner Zeitschrift für Soziologie und Sozialpsychologie, Jahrgang 12, Heft 1, 1960: ‘Die wisenschaftliche Arbeit in Gruppen’

Hans Paul Bahdt, Helmut Krauch, Horst Rittel

240 x 164 mm, 40 pp

wrappers / glued, cover drawn-on


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Horst Rittel was a colleague of AF at the HfG Ulm, though the signature under the dedication on the cover of this offprint seems not to be his.