54066. Railroad Operation and Railway Signaling / by Edmund J. Phillips. - [2nd ed.] - New York : Simmons-Boardman Publishing Corporation, [1953]. 214 p. : ill. : 21 cm.. - (Met reg.). - 1e druk 1942 PK : NS K 469

54066. Railroad Operation and Railway Signaling / by Edmund J. Phillips. - [2nd ed.] - New York : Simmons-Boardman Publishing Corporation, [1953]. 214 p. : ill. : 21 cm.. - (Met reg.). - 1e druk 1942 PK : NS K 469