DEVONIAN MEGASPORES FROM EAST GREENLAND - THEIR BEARING ON DEVELOPMENT OF CERTAIN TRENDS

[21] ORVIN AK, 1930, SKR SVALBARD ISHAVET, V30, P7

[22] PIERART P, 1964, B SOC BELGE GEOL PAL, V73, P82

[23] Potonie R., 1956, PALAEONTOGR ABT B, V99, P85

[24] POTONIE R, 1955, PALAEONTOGRAPHICA B, V1, P98

[25] RICHARDSON J B, 1967, Review of Palaeobotany and Palynology, V1, P111, DOI 10.1016/0034-6667(67)90114-5

[26] Richardson J.B., 1965, PALAEONTOLOGY, V7, P559

[27] SAVESODERBERGH G, 1932, MEDD GRONLAND, V94, P5

[28] SCHOPF JM, 1938, ILL STATE GEOL SURV, V50, P1

[29] Sen J, 1958, GEOLOGISKA FORENINGE, V80, P141

[30] STOCKMANS F, 1969, ANN SOC GEOL BELG, V92, P47

[21] ORVIN AK, 1930, SKR SVALBARD ISHAVET, V30, P7

[22] PIERART P, 1964, B SOC BELGE GEOL PAL, V73, P82

[23] Potonie R., 1956, PALAEONTOGR ABT B, V99, P85

[24] POTONIE R, 1955, PALAEONTOGRAPHICA B, V1, P98

[25] RICHARDSON J B, 1967, Review of Palaeobotany and Palynology, V1, P111, DOI 10.1016/0034-6667(67)90114-5

[26] Richardson J.B., 1965, PALAEONTOLOGY, V7, P559

[27] SAVESODERBERGH G, 1932, MEDD GRONLAND, V94, P5

[28] SCHOPF JM, 1938, ILL STATE GEOL SURV, V50, P1

[29] Sen J, 1958, GEOLOGISKA FORENINGE, V80, P141

[30] STOCKMANS F, 1969, ANN SOC GEOL BELG, V92, P47