RT Monograph SR 00 A1 Winter, S.G. T1 Four Rs of Profitability: Rents, Resources, Routines, and Replication YR 1995 FD 1995-02 SP 51 PB WP-95-007 PP IIASA, Laxenburg, Austria AV Published LK https://pure.iiasa.ac.at/id/eprint/4585/