TY - BOOK AU - Tetley,L. AU - Calcutt,D.M. AU - Tetley,L. TI - Electronic navigation systems SN - 0750651385 AV - TK7836 .T64 2001 U1 - 623.8/504 21 PY - 2001/// CY - Oxford, Boston PB - Butterworth-Heinemann KW - Electronics in navigation N1 - Rev. ed. of: Electronic aids to navigation. 1991; Includes index UR - http://www.loc.gov/catdir/description/els031/00068872.html UR - http://www.loc.gov/catdir/toc/els031/00068872.html ER -