共 17 条
- [1] BRAUMAN JI, COMMUNICATION
- [2] BROUWER DM, 1973, RECL TRAV CHIM PAY B, V92, P689
- [4] HOGEVEEN H, 1969, RECL TRAV CHIM PAY-B, V88, P719
- [5] HOGEVEEN H, 1970, RECL TRAV CHIM PAY-B, V89, P74
- [6] HOGEVEEN H, 1969, RECL TRAV CHIM PAY-B, V88, P703
- [7] HULME R, COMMUNICATION
- [9] MCCAWLEY DC, 1959, Patent No. 2884469
- [10] OELDERIK JM, 1965, Patent No. 3201494