000 004130000a22001450004500
245 _aThe Heat treatment of ruby and sapphire
100 _aThemelis, Ted
_915631
260 _aSanta Monica
_bGIA
_c1992
300 _axviii, 235p. : ill., [3]plates
500 _a61169 - withdrawn book return to the GIA Ref. UM/L/AQ/19
020 _a0940965100
080 _a549.517.13
_bT4
041 _aEN
942 _cBK
_07
999 _c70468
_d70468