ECOLOGICAL PATTERNS IN TIME AND SPACE

[21] PFEFFERKORN HW, 1982, GEOLOGY, V10, P641, DOI 10.1130/0091-7613(1982)10<641:CIDPIU>2.0.CO

[22] 2

[23] CHANGING PATTERNS OF PENNSYLVANIAN COAL-SWAMP VEGETATION AND IMPLICATIONS OF CLIMATIC CONTROL ON COAL OCCURRENCE [J]. INTERNATIONAL JOURNAL OF COAL GEOLOGY, 1984, 3 (03) : 205 - 255

[24] Pimm SL., 1991, BALANCE NATURE

[25] RAYMOND A, 1993, SEEDS CLIMATE MIDDLE, pA389

[26] SCHUBERT JK, 1993, RECOVERY END PERMIAN, pA156

[27] SHEEHAN PM, 1985, GEOLOGY, V13, P6

[28] WING SL, 1984, J SEDIMENT PETROL, V54, P52

[21] PFEFFERKORN HW, 1982, GEOLOGY, V10, P641, DOI 10.1130/0091-7613(1982)10<641:CIDPIU>2.0.CO

[22] 2

[23] CHANGING PATTERNS OF PENNSYLVANIAN COAL-SWAMP VEGETATION AND IMPLICATIONS OF CLIMATIC CONTROL ON COAL OCCURRENCE [J]. INTERNATIONAL JOURNAL OF COAL GEOLOGY, 1984, 3 (03) : 205 - 255

[24] Pimm SL., 1991, BALANCE NATURE

[25] RAYMOND A, 1993, SEEDS CLIMATE MIDDLE, pA389

[26] SCHUBERT JK, 1993, RECOVERY END PERMIAN, pA156

[27] SHEEHAN PM, 1985, GEOLOGY, V13, P6

[28] WING SL, 1984, J SEDIMENT PETROL, V54, P52