Acharya, N. K. Text book on intellectual property rights: (copyrights, trademarks, patents, des / Acharya, N. K. - 6th ed. - Hyderabad: Asia Law House, 2012. - xxxiv, 374p.; 24cm. Includes bibliographical references. ISBN: 9789381849309 Dewey Class. No.: 346.048 ACH