Beier, Friedrich-Karl Biotechnology and patent protection : an international review / by F.K. Beier, R.S. Crespi, J. Straus - Paris : OECD, 1985 - 133 p. ; 23 cm. Includes bibliographical references (p.110-133) ISBN: 9264127577 Subjects--Topical Terms: Microorganisms--Patents