00803nam0 2200253 450 00002648920090909100614.00-340-54380-920090909d1991----km-y0itay50------baengGBElectronic aids to navigationposition fixingL. TetleyD. CalcuttLondonEdward Arnoldc1991ix, 386 p.24 cm.Electronic aids to navigation43401Elettronica generale629.0421INGEGNERIA DEI TRASPORTITetley,Laurie9366Calcutt,David M.9367ITUNIPARTHENOPE20090909RICAUNIMARC000026489DISAM 629.04/154DISAM2009Electronic aids to navigation43401UNIPARTHENOPE