000 00309 a2200109 4500
082 _a510.8
_bUn38a
245 1 _aTABLES FOR CONVERSION OF X-RAY DIFFRACTION ANGLES TO INTERPLANAR SPACING
260 _aWashington
_bU. S. Government Printing Office
_c1950
300 _a159
964 _gCIRC
997 _a41027 C
999 _c454824
_d454824