Chowdhury, G.G. PRECIS : a workbook / by G.G Chowdhury. - / . - Kolkata : IASLIC , 1995. - 58p. : ills., tables ; 26cm CD . NULL ISBN: RS 80.00 (Pb) Subjects--Index Terms: PRECOORDINATE INDEXING Dewey Class. No.: 025.482 / CHO/P