Ahuja V.K. Intellectual property rights in India , Reprint 2012 Ahuja V.K. - 1st - Nagpur LexisNexis Butterworths Wadhwa India 2009 - lxi,1232p cm. - Vol.-I . Standard No.: 38,365 Source: Textual Dewey Class. No.: Z2,2673, P9.1