Varadarajan, Dhulasi Birundha. creator text S.l.] Sterling Publishers Pvt.Ltd 1994 monographic 242 p. 8120714865 (hardcover) 9788120714861 (hardcover) http://www.amazon.com/exec/obidos/ASIN/8120714865/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/8120714865/chopaconline-20