00337nam a2200157Ia 4500008004100000020000900041035000900050082001500059100001800074245002600092250000600118260003200124300000800156500000900164650000600173210723s9999||||xx |||||||||||||| ||und||  aNULL  a6287  a516.7BKHA  aKhanna, M. L. 0aDifferential Geometry  a-  aMeerutbJai Prakash Nath Co  a451  a1068  a-