共 53 条
- [1] ANDERSON TW, 1967, THESIS U WATERLOO WA
- [2] BARSS MS, 1963, 633 GEOL SURV CAN PA
- [4] Birks H. J. B., 1973, QUATERNARY PLANT ECO, P143
- [6] BOSTOCK HS, 1970, GEOLOGY EC MINERALS, P10
- [7] CROWL GH, 1970, 7039 GEOL SURV CAN P
- [8] CROWL GH, 1969, 6766 GEOL SURV CAN P
- [9] Davis MB, 1976, GEOSCIENCE MAN, V13, P13