TY  - BOOK
AU  - Ptak,Roderich
TI  - China and the Asian seas: trade, travel, and visions of the other (1400-1750) 
SN  - 0860787753 (hc.)
PY  - 1998///
CY  - Aldershot
PB  - Ashgate
KW  - Zheng, He,
KW  - Merchant marine
KW  - China
KW  - History
KW  - Commerce
KW  - Asia
KW  - Portugal
N1  - Includes bibliographical references and index
ER  -