Date: Wed, 29 Oct 2003 08:03:40 -0800 (PST) From: Pijushkanti Panigrahi Dear Professionals, I am in the urgent need of an article, Can anybody help me? ROSA(A).On certain vertex valuations of the vertices of a graph.In : Theory of Graphs (International Symposium, Rome, July, 1966, Gordon and Breach, N.Y. and Dunod Paris, (1967), pp349-455 Regards Dr P K Panigrahi Dr Pijushkanti Panigrahi, Reader, Dept of Lib and Inf Science, Calcutta University, 87/1 College Street,Kolkata - 700 073, West Bengal, India, email : panigrahipk@yahoo.com, Res : Qtr No. C1/78 IIT Campus, Kharagpur - 721 302, Paschim Medinipur, West Bengal, India, Phone : +91 (03222) 278852/283691.