TY  - BOOK
AU  - Langeraar,W.,1915-
TI  - Surveying and charting of the seas
PY  - 1984///
CY  - Amsterdam
PB  - Elsevier North-Holland
KW  - Nautical charts
KW  - Cartography
N1  - Includes index; Bibliography: p. 591-603
ER  -