000 00325nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c350
040 _aET
100 _aBhatnagar & Bhatnagar
245 0 _aMeasurement and Evaluation
260 _bR. Lal Book
_aMeerut
300 _a506
500 _a58205
942 _cBK
999 _c64168
_d64168