53423. British railway track : design, construction and maintenance / comp. by Permanent Way Institution ; ed. by R.A. Hamnett. - 2nd repr. - [S.l.] : The Institution, 1950. 338, [4] p. : ill. : 22 cm. - PK : NS K 515

53423. British railway track : design, construction and maintenance / comp. by Permanent Way Institution ; ed. by R.A. Hamnett. - 2nd repr. - [S.l.] : The Institution, 1950. 338, [4] p. : ill. : 22 cm. - PK : NS K 515