共 25 条
[11]
JUGLANS-EOCINEREA N-SP, BEAUFORT-FORMATION (TERTIARY), SOUTHWESTERN BANKS-ISLAND, ARCTIC CANADA
[J].
CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE,
1974, 52 (01)
:65-&
[12]
KOCH BE, 1963, MEDD GRONL, V172
[13]
Levitt J., 1972, RESPONSES PLANTS ENV
[14]
Schweitzer H.-J., 1974, PALAEONTOGRAPHICA B, V149, P1
[15]
SMITH AG, 1977, CAMBRIDGE EARTH SCI
[16]
Van Steenis CGGJ., 1962, BLUMEA, V11, P235
[18]
WOLFE JA, 1978, AM SCI, V66, P694