REACTIONS OF OXIDES OF NIOBIUM WITH LIQUID POTASSIUM

[11] KOHLMULLER R, 1959, THSIS U PARIS

[12] LITMAN AP, 1965, ORNL3751 REP

[13] MARINDER BO, 1962, ARK KEMI, V19, P435

[14] NEUE DISKRETE NIOBOXYDPHASEN [J]. NATURWISSENSCHAFTEN, 1960, 47 (15) : 354 - 355

[15] RIESMAN A, 1955, J AM CHEM SOC, V77, P2115

[16] ROSSINI FD, 1952, 500 US NAT BUR STAND

[17] WILLIAMS DD, 1951, 3894 US NAT RES LAB

[18] 1967, 22 CHEM SOC SPEC PUB, P460

[11] KOHLMULLER R, 1959, THSIS U PARIS

[12] LITMAN AP, 1965, ORNL3751 REP

[13] MARINDER BO, 1962, ARK KEMI, V19, P435

[14] NEUE DISKRETE NIOBOXYDPHASEN [J]. NATURWISSENSCHAFTEN, 1960, 47 (15) : 354 - 355

[15] RIESMAN A, 1955, J AM CHEM SOC, V77, P2115

[16] ROSSINI FD, 1952, 500 US NAT BUR STAND

[17] WILLIAMS DD, 1951, 3894 US NAT RES LAB

[18] 1967, 22 CHEM SOC SPEC PUB, P460