000 00301 a2200133 4500
080 _a546.79
_bG 743 U
245 1 _aUranium and thorium
_cby L. Grainger
260 _aLondon
_c1958
650 _aUranium
650 _aThorium
100 1 _aGrainger, L.
_d
300 _a204 p. & 4 pls.
901 _a60666
999 _c26918
_d26918