共 31 条
- [21] Porter S.C., 1968, 121 GEOL SOC AM, P242
- [22] PORTER SC, 1970, GEOL SOC AM BULL, V81, P1421, DOI 10.1130/0016-7606(1970)81[1421:QGRISK]2.0.CO
- [23] 2
- [25] PORTER SC, 1964, GEOL SOC AM BULL, V75, P477, DOI 10.1130/0016-7606(1964)75[477:CPSLOO]2.0.CO
- [26] 2
- [27] Richmond G. M., 1965, QUATERNARY US, P217
- [28] Sissons J.B., 1976, J GLACIOL, V17, P325, DOI [10.3189/S0022143000013617, DOI 10.1017/S0022143000013617, DOI 10.3189/S0022143000013617]
- [29] WILLIAMS LD, 1972, THESIS U COLORADO