共 18 条
[1]
ABSY M, 1979, THESIS U AMSTERDAM
[2]
ANDERSEN ST, 1970, GEOL SURV DEN, V2
[3]
BETHLEHEM JG, 1976, HANDLEIDING HIERARCH
[4]
CUATRECASAS J., 1958, Rev. Acad. colomb. Cienc. exact. fis. -nat., V10, P221
[5]
CUATRECASAS J, 1934, TRAB MUS NAC CIENC B, V27
[8]
DAVIS MB, 1967, GEOL SOC AM BULL, V78, P849, DOI 10.1130/0016-7606(1967)78[849:PDILAM]2.0.CO
[9]
2
[10]
DAVIS MB, 1967, QUATERNARY PALEOECOL, P11