000 00431pam a2200133a 44500
082 _aUSBM
_bRI-7569
100 _a
245 1 _aPREPARATION OF THORIUM-MAGNESIUM ALLOYS AND PURE THORIUM BY MAGNESIUM REDUCTION OF THORIUM TETRACHLORIDE
260 _a
_bU. S. Dept. Of The Interior, Bureau Of Mines, [S. L.]
_c1971
300 _a17
500 _aBound With Usbm Ri-7551-7570,Lack No. 7565
964 _gCIRC
997 _aTR15241 C
999 _c400418
_d400418