000 00335pam a2200121a 44500
082 _a530.72
_bN213P
100 _aNational Council Of Educational Research
245 1 _aPHYSICS LABORATORY GUIDE
260 _a
_bNational Council Of Educational Research And Training
_c1960
700 _aTraining
964 _gCIRC
997 _a39988 C
999 _c412283
_d412283