00270nam a2200109Ia 4500008004000000082001800040100001700058245002700075260003000102300000800132650002000140210210b1977   xxu||||| |||| 00| 0 eng d  a510.2462 VIST  aVISHWA NATH.  aTechnical mathematics.  aNDbSatya Prakashanc1977  a838  aTechnical maths