Reihe Progress in Mathematical PhysicsLANGACKER × Fourth Workshop on Grand UnificationUniversity of Pennsylvania, Philadelphia April 21–23, 1983LANGACKERBirkhäuser BostoneBook201353,49 € Fourth Workshop on Grand UnificationUniversity of Pennsylvania, Philadelphia April 21–23, 1983LANGACKERBirkhäuser BostonSoftcover201353,49 €
