By Feldstein Paul A.   Levy Laurene   Randles John W.   Owens Robert A.   in Nucleic Acids Research

ISSN:1362-4962|25|23|4850-4854

Oxford University Press‎(1997)‎

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By Scheffler Richard M.   Foreman Stephen Earl   Feldstein Paul J.   Hu Teh-Wei   in Applied Economics

ISSN:1466-4283|28|11|1359-1368

Routledge Ltd‎(1996)‎

Access to resources Favorite 1.3816435