Sarkar, J. S. Trade marks law and practice : patents and design acts / J. S. Sarkar - 2nd ed. - Kolkata : Kamal law house, c1992. - Vp. ; ill. ; 25 cm. ISBN: LCCN: Subjects--Topical Terms: Trade marks law LC Class. No.: KD1439 / . 1992 Dewey Class. No.: 341.7588 / S243t