?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4585%2F&rft.title=Four+Rs+of+Profitability%3A+Rents%2C+Resources%2C+Routines%2C+and+Replication&rft.creator=Winter%2C+S.G.&rft.publisher=WP-95-007&rft.date=1995-02&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4585%2F1%2FWP-95-007.pdf&rft.identifier=++Winter%2C+S.G.++(1995).++Four+Rs+of+Profitability%3A+Rents%2C+Resources%2C+Routines%2C+and+Replication.+++IIASA+Working+Paper.+IIASA%2C+Laxenburg%2C+Austria%3A+WP-95-007+++++