000 00333nam a2200145Ia 4500
008 210210b1977 xxu||||| |||| 00| 0 eng d
082 _a514 KHAT
100 _aKHANNA (M L).
245 _aTopology.
260 _aMeerut
_bJai Prakash Nath & Co
_c1977
300 _a604
650 _aTopology
690 _aTopology
906 _a034304
999 _c84948
_d84948