References

References
ANON. 1966. Webster's new world dictionary of the American language. World Publishing Co., Cleveland, Ohio.
Webster's new world dictionary of the American language
1966
MARGULIS, L.1971. Symbiosis and evolution. Scientific American 225(2):48.
Margulis
2
48
225
Scientific American
1971
THOMAS, L.1974. The lives of a cell: notes of a biology watcher. Viking Press, New York.
Thomas
The lives of a cell: notes of a biology watcher
1974
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