Aiyappan , A. Ecology,economy,matriling and fertility of kusschiyas / A. Aiyappan, K. Mahadevan. - New Delhi : B R Publishing , 1990. - x,161p.+8 Plates : ills,maps,tables ; 23cm. . NULL ISBN: Rs.130.00 (Hb) Subjects--Index Terms: MATRILINEAL VINSHIP Dewey Class. No.: 306.83 / AIY/E