Results and Discussion
In order to interpret the results presented adequately and to understand the relations of the individual elements as well as the nomenclature used, it is essential to summarize our current knowledge briefly at the beginning of this discussion. This brief introduction to the problem, supplemented with a simplified diagram (Fig. 29), has been taken from the paper of Klima (1985), with a few changes.
KeywordsPermian Depression Respiration Cretaceous Progesterone
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