Alfredo Valencia Zegarra books & textbook
Machu Picchu Guidebook: A Self-Guided Tour
Zegarra, Alfredo Valencia Wright, Ruth M.
Bower House /2004-02-01 Paperback / 188 Pages
isbn-10: 1555663273 / isbn-13: 9781555663278
Machu Picchu: A Civil Engineering Marvel
Wright, Kenneth R. Valencia Zegarra, Alfredo Wright, Ruth M. Mcewan, Gordon, Ph.D.
Amer Society of Civil Engineers /2000T Paperback / 144 Pages
isbn-10: 0784404445 / isbn-13: 9780784404447
Moray: Inca Engineering Mystery
Kenneth R. Wright Ruth M. Wright Alfredo Valencia Zegarra Gordon F. McEwan
ASCE /2011-03-14 Paperback / 228 Pages
isbn-10: 0784410798 / isbn-13: 9780784410790
Marcavalle: El Rostro Oculto del Cusco
Alfredo Valencia Zegarra; Arminda Gibaja Oviedo
Instituto Regional de Cultura de la Region Inka /1991-01-01 Paperback / 65 Pages