53540. Human factors in signalling systems : specific applications to railway signalling / by M. Mashour. - Stockholm [etc.] : Almqvist & Wiksell Int. [etc.], 1974. 341 p. : ill. : 23 cm. - PK : NS K 611

53540. Human factors in signalling systems : specific applications to railway signalling / by M. Mashour. - Stockholm [etc.] : Almqvist & Wiksell Int. [etc.], 1974. 341 p. : ill. : 23 cm. - PK : NS K 611