Chronozone
Автор:
Jesse Russell,Ronald Cohn, издатель:
"VSD", ISBN:
978-5-5108-4168-8
High Quality Content by WIKIPEDIA articles! A chronozone or chron is a slice of time that begins at a given identifiable event and ends at another. In the fossil record such tracer events are usually keyed to disappearance (extinction) of a widely distribu
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