O'Kon, James A.
The lost secrets of maya technology / James A. O'Kon. - New Jersey : New page books, c2012. - 319p.: ill. (some col.); 23cm.
Includes bibliography and index.
9781606132074
Maya astronomy
Mayas--science
Mayas--Mathematics
Mayas--civilization
Tehnological innovations--History--To 1500
The lost secrets of maya technology / James A. O'Kon. - New Jersey : New page books, c2012. - 319p.: ill. (some col.); 23cm.
Includes bibliography and index.
9781606132074
Maya astronomy
Mayas--science
Mayas--Mathematics
Mayas--civilization
Tehnological innovations--History--To 1500