共 140 条
- [91] PAUSHKIN YM, 1970, KINET KATAL, V11, P1354
- [92] PEARCE NH, 1963, Patent No. 931893
- [93] PIEKOS R, 1962, ROCZ CHEM, V36, P1385
- [94] PINCS H, 1949, Patent No. 2465475
- [95] POLIEVKA M, 1975, Patent No. 157374
- [96] RAMANAMURTHY KV, 1987, 8TH P NAT S CAT SIND, P649
- [97] RAMANAMURTY KV, 1988, 9TH NAT S CAT MADR I
- [98] RAO GB, 1966, INDIAN J TECHNOL, V4, P364
- [100] REICHLE WT, 1978, Patent No. 4086188