THE PERMIAN TRIASSIC BOUNDARY

[1] [Anonymous], 1977, SOC EC PALEONTOLOGIS, DOI DOI 10.2110/PEC.77.25

[2] Bakker R.T., 1977, PATTERNS EVOLUTION I, P439

[3] Darwin C, 1859, ORIGIN SPECIES MEANS

[4] ERBEN HK, 1981, LEBEN HEISST STERBEN

[5] Gobbett D.J., 1973, P151

[6] Hallam A., 1973, Special Pap Palaeont, VNo. 12, P93

[7] CATASTROPHIC CHEMICAL EVENTS IN HISTORY OF OCEAN [J]. NATURE, 1977, 267 (5610) : 403 - 408

[8] Lorenz K, 1973, RUCKSEITE SPIEGELS

[9] MAY RM, 1980, THEORETISCHE OKOLOGI

[10] Mayr E, 1967, ARTBEGRIFF EVOLUTION

[1] [Anonymous], 1977, SOC EC PALEONTOLOGIS, DOI DOI 10.2110/PEC.77.25

[2] Bakker R.T., 1977, PATTERNS EVOLUTION I, P439

[3] Darwin C, 1859, ORIGIN SPECIES MEANS

[4] ERBEN HK, 1981, LEBEN HEISST STERBEN

[5] Gobbett D.J., 1973, P151

[6] Hallam A., 1973, Special Pap Palaeont, VNo. 12, P93

[7] CATASTROPHIC CHEMICAL EVENTS IN HISTORY OF OCEAN [J]. NATURE, 1977, 267 (5610) : 403 - 408

[8] Lorenz K, 1973, RUCKSEITE SPIEGELS

[9] MAY RM, 1980, THEORETISCHE OKOLOGI

[10] Mayr E, 1967, ARTBEGRIFF EVOLUTION