Porphyrin in Fig Tree shale and Onverwacht chert from Swaziland System sediments, noting age of three billion years and importance in abiogenesis research
Evidence for porphyrins in early precambrian Swaziland system sediments
01.10.1969
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Englisch
Organic geochemistry of Early Precambrian sediments
NTRS | 1972
|Porphyrins and phycobilins in Precambrian rocks
Online Contents | 1977
|Online Contents | 1995