000 00379pam a2200157a 44500
008 230515b1970 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _a630
100 _a5258-1969
245 _aDETERMINATION OF PARTICLE SIZE OF POWDERS BY OPTICAL MICROSCOPE METHOD
250 _a0
260 _aDELHI
_bISI
_c1970
300 _a23
650 _aNULL
999 _c651849
_d651849