共 7 条
[3]
SEPARATION OF RARE EARTHS FROM THORIUM NITRATE
[J].
ANALYTICAL CHEMISTRY,
1956, 28 (02)
:227-229
[4]
NIETZEL OA, 1957, WIN62 US AT EN COMM
[5]
RODDEN CJ, 1956, TID7003 US AT EN COM, P108
[6]
RODDEN CJ, 1955, METAL BERYLLIUM, P645
[7]
TOLLEY WB, 1955, HW35814 US AT EN COM