Robbins, Michael <br/><br/>
Points and Signals  : A Railway Historian At Work 
/ by Michael Robbins 
 - London:  George Allen & Unwin Ltd,  1967. 
 - 256p.; 
<br/><br/><label>ISBN: </label>000 
<br/><br/><label>Dewey Class. No.: </label>625.094  / ROB/P