000 00255nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
100 _aBalakrishnan, P
245 0 _aPolytechnic Bhauthikam
260 _bA Mentor Book
_c1952
300 _a515
942 _cBK
999 _c34428
_d34428