00360nam a22001337i 4500001001000000005001700010008004100027082002000068245002800088260005700116300001700173650001800190020001800208SXC03447020260819093938.0260101s1900    ii            000 0 eng d  awws 500 GEN22210aGeneral science /cs.n.  abKiran Institute of Career Excellence, Delhi,c1900  ap. ;c22 cm. 0aPure sciences  a9780702114489