共 15 条
- [1] ALBANESI G, 1981, CHIM IND-MILAN, V63, P572
- [2] ALBANESI G, 1979, CHIM IND-MILAN, V61, P537
- [3] ALBANESI G, 1978, CHIM IND-MILAN, V60, P487
- [4] BASF AG, 1978, Patent No. 2706076
- [5] FAIRBROTHER F, 1967, CHEM NIOBIUM TANTALU, P36
- [7] SHAEFER FW, 1974, Patent No. 2349054
- [8] SHERWIN MB, 1981, HYDROCARB PROCESS, V60, P79
- [9] 1977, Patent No. 2615887
- [10] 1978, Patent No. 2702187