· in the Province of Chumbivilcas, South Highland Peru Chávez, Sergio J. and Karen L. Mohr 1970...
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· in the Province of Chumbivilcas, South Highland Peru Chávez, Sergio J. and Karen L. Mohr 1970 Newly Discovered Monoliths From the Highlands of Puno, Peru 12(4) :25-39. Chiang,