00408nam a2200145 a 4500008004100000100002000041245003500061260004300096300003400139504004300173650001900216003000100235005001700236040000900253                                        1 aBairagi, N . K.10aShell analysis/cN .K. Bairagi  aNew Delhi :bKhanna Publishers,c1990   axii,1303 p. :bill. ;c21 cm.  aIncludes bibliographical references.   1aShell analysis20230123134049.0  cNUST