Sonnenberg, G. J.
Radar and electronic navigation - 1st ed. - London Butterworths 1978 - 376 p. ill. 23 cm.
0408002727
623.893 / SON/1978
Radar and electronic navigation - 1st ed. - London Butterworths 1978 - 376 p. ill. 23 cm.
0408002727
623.893 / SON/1978