TY  - BOOK
AU  - W., Waters, David 
TI  - Centro de Estudios de História e Cartografia Antiga Série Separatas 201 Reflections upon some navigational and hydrographic problems of the XVth century related to the voyage of Bartolomeu Dias, 1487 - 88 
T2  - Série Separatas 
U1  - 946.902 
PY  - 1988///
CY  - Lisboa
PB  - Instituto de Investigacao Científica Tropical
KW  - Historia Antigua
KW  - Cartografía Antigua
KW  - Viaje de Bartolomeu Dias
UR  - https://books.google.com.pe/books?id=UKK-b3If-78C&pg=PA275&lpg=PA275&dq=Reflections+upon+some+navigational+and+hydrographic+problems+of+the+XVth+century+related+to+the+voyage+of+Bartolomeu+Dias,+1487-88&source=bl&ots=tLEXsak-98&sig=ACfU3U3yC0jWpNsXUX5IlMRsB0Vtd34V0g&hl=es&sa=X&ved=2ahUKEwj3lMS38fv3AhXHBLkGHWUtChkQ6AF6BAgDEAM#v=onepage&q=Reflections%20upon%20some%20navigational%20and%20hydrographic%20problems%20of%20the%20XVth%20century%20related%20to%20the%20voyage%20of%20Bartolomeu%20Dias%2C%201487-88&f=false
ER  -