Text ( visual ) : unmediated Patent activity and technical change in US industries / by Michael McAleer, Daniel Slottje with Pei Syn Wee. -- 1st ed. -- Amsterdam ; Tokyo : Elsevier , 2005. -- xx, 221 p. : ill. ; 23 cm. -- (Contributions to economic analysis ; 272). -- Includes bibliographical references and index. -- ISBN 0444518584 ; (BA73079989) ; https://ci.nii.ac.jp/ncid/BA73079989 Author Heading(s): McAleer, Michael ; Slottje, Daniel Jonathan ; Wee, Pei Syn. -- Classification(s): LCC : HC110.T4. -- Subject Heading(s): LCSH : Technological innovations -- Economic aspects -- United States ; LCSH : Patent practice -- Economic aspects -- United States