PRIMARY PRODUCTION ISOTOPES EXTINCTIONS AND ATMOSPHERE

[1] CARBON ISOTOPE FRACTIONATION IN FORMATION OF AMINO ACIDS BY PHOTOSYNTHETIC ORGANISMS [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1961, 47 (05) : 623 - &

[2] A THEORY OF ANGIOSPERM EVOLUTION [J]. EVOLUTION, 1952, 6 (01) : 29 - 60

[3] MICROORGANISMS 3 BILLION YEARS OLD FROM PRECAMBRIAN OF SOUTH AFRICA [J]. SCIENCE, 1966, 152 (3723) : 758 - &

[4] MICROORGANISMS FROM GUNFLINT CHERT - THESE STRUCTURALLY PRESERVED PRECAMBRIAN FOSSILS FROM ONTARIO ARE MOST ANCIENT ORGANISMS KNOWN [J]. SCIENCE, 1965, 147 (3658) : 563 - +

[5] MICROORGANISMS FROM LATE PRECAMBRIAN OF CENTRAL AUSTRALIA [J]. SCIENCE, 1965, 150 (3694) : 337 - +

[6] PALEOBIOLOGY OF PRECAMBRIAN SHALE [J]. SCIENCE, 1965, 148 (3669) : 461 - +

[7] BARGHOORN ES, 1965, CURRENT ASPECTS EXOB, P93

[8] BASSHAM J. A., 1965, P875

[9] HISTORY OF MAJOR ATMOSPHERIC COMPONENTS [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1965, 53 (06) : 1215 - &

[10] BERKNER LV, 1966, J ATMOSPHERE SCI, V25, P133

[1] CARBON ISOTOPE FRACTIONATION IN FORMATION OF AMINO ACIDS BY PHOTOSYNTHETIC ORGANISMS [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1961, 47 (05) : 623 - &

[2] A THEORY OF ANGIOSPERM EVOLUTION [J]. EVOLUTION, 1952, 6 (01) : 29 - 60

[3] MICROORGANISMS 3 BILLION YEARS OLD FROM PRECAMBRIAN OF SOUTH AFRICA [J]. SCIENCE, 1966, 152 (3723) : 758 - &

[4] MICROORGANISMS FROM GUNFLINT CHERT - THESE STRUCTURALLY PRESERVED PRECAMBRIAN FOSSILS FROM ONTARIO ARE MOST ANCIENT ORGANISMS KNOWN [J]. SCIENCE, 1965, 147 (3658) : 563 - +

[5] MICROORGANISMS FROM LATE PRECAMBRIAN OF CENTRAL AUSTRALIA [J]. SCIENCE, 1965, 150 (3694) : 337 - +

[6] PALEOBIOLOGY OF PRECAMBRIAN SHALE [J]. SCIENCE, 1965, 148 (3669) : 461 - +

[7] BARGHOORN ES, 1965, CURRENT ASPECTS EXOB, P93

[8] BASSHAM J. A., 1965, P875

[9] HISTORY OF MAJOR ATMOSPHERIC COMPONENTS [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1965, 53 (06) : 1215 - &

[10] BERKNER LV, 1966, J ATMOSPHERE SCI, V25, P133