Rao, V.V.L. . Physical Constants in SI Units and Mathematical Tables / by V.V.L.Rao and K.S.B. Eswaran. - Kolkata : Orient Book Company , 1982. - viii,112p. : ill.,figs. ; 20cm . NULL ISBN: Rs. 15.00 (pbk) Subjects--Index Terms: MATHEMATICS Dewey Class. No.: 510 / RAO/P