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The Impact of the Patent System on Research

Seymour MelmanUnited States. Congress. Senate. Committee on the Judiciary. Subcommittee on Patents, Trademarks, and Copyrights

其他書名	Study of the Subcommittee on Patents, Trademarks, and Copyrights of the Committee on the Judiciary, United States Senate, Eighty-fifth Congress, Second Session Pursuant to S. Res. 236, Study No. 11
出版	U.S. Government Printing Office, 1958
URL	http://books.google.com.hk/books?id=kuQWzQEACAAJ&hl=&source=gbs_api