000 00289pam a2200109a 44500
082 _aTR
_bTPR-71
100 _aR. R. Schehl
245 1 _aComputerized system for quantitative X-ray diffraction analysis of pyrite in coal
260 _a
_b
_c
700 _aR. A. Friedel
997 _aTR3889 C
999 _c404981
_d404981