Gruppi, Luciano
Philosophie der Praxis und die Hegemonie des Proletariats
[With a Foreword by Claudia Mancina. Translated from italian H. Drüke with collaboration of Helmer Tralst.]
Hamburg/Westberlin: VSA, 1977, 174
Egemonia Workers; Filosofia della Praxis; Mancina, Claudia