Grabher, Gernot On the weakness of strong ties: the ambivalent role of interfirm relations in the decline and reorganization of the ruhr - Wissenschaftszentrum, Berlin 1990 - 27 See WZ 330 GRA (Includes Acc. Nos. 32315, 32316 & 32317) ISBN: FS I 90 - 4 Subjects--Topical Terms: ECONOMICS