SEARCH FOR PORPHYRIN BIOMARKERS IN NONESUCH SHALE AND EXTRATERRESTRIAL SAMPLES

[1] MASS SPECTROMETRIC CHARACTERIZATION OF PETROPORPHYRINS [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1966, 88 (10) : 2311 - &

[2] MASS SPECTROMETRY OF PORPHYRINS .2. CHARACTERIZATION OF PETROPORPHYRINS [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1967, 89 (14) : 3631 - &

[3] Baker EW., 1969, ORG GEOCHEM, DOI [10.1007/978-3-642-87734-6_24, DOI 10.1007/978-3-642-87734-6_24]

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

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

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

[7] EVIDENCE OF LIFE PROCESSES IN A SEDIMENT 2 AND 1/2 BILLION YEARS OLD [J]. NATURE, 1965, 206 (4983) : 446 - &

[8] Blumer M., 1967, CHEM GEOL, V2, P35

[9] BOETTGER HG, 1969, 17TH P ANN ASMS C MA, P333

[10] MICROBIOTAS OF BANDED IRON FORMATIONS [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1968, 61 (03) : 779 - &

[1] MASS SPECTROMETRIC CHARACTERIZATION OF PETROPORPHYRINS [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1966, 88 (10) : 2311 - &

[2] MASS SPECTROMETRY OF PORPHYRINS .2. CHARACTERIZATION OF PETROPORPHYRINS [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1967, 89 (14) : 3631 - &

[3] Baker EW., 1969, ORG GEOCHEM, DOI [10.1007/978-3-642-87734-6_24, DOI 10.1007/978-3-642-87734-6_24]

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

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

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

[7] EVIDENCE OF LIFE PROCESSES IN A SEDIMENT 2 AND 1/2 BILLION YEARS OLD [J]. NATURE, 1965, 206 (4983) : 446 - &

[8] Blumer M., 1967, CHEM GEOL, V2, P35

[9] BOETTGER HG, 1969, 17TH P ANN ASMS C MA, P333

[10] MICROBIOTAS OF BANDED IRON FORMATIONS [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1968, 61 (03) : 779 - &