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3
-
World dynamics / by Jay W. Forrester.
- Wright-Allen,
- cop. 1971.
- Cambridge, MA :
-
The Yenan way in revolutionary China / Mark Selden.
- Harvard University Press,
- cop. 1971.
- Cambridge, MA :
-
Purgatory and Utopia : a Mazahua Indian village of Mexico / Alicja Iwanska.
- Schenkman,
- cop. 1971.
- Cambridge, MA :