Live Science. ↑ "Yaxham Light Railway rolling stock page". ↑ "Definition of "rolling stock" from the Oxford English Dictionary accessed 5 February 2007 (subscription service)". ↑ "Definition of "rolling stock" from the Concise Oxford Dictionary". ↑ "Definition from the American Heritage Dictionary". ↑ RINA – Careers in Naval Architecture ↑ Biran, Adrian; (2003). Ship hydrostatics and stability (1st Ed.) – Butterworth-Heinemann. ISBN 0-7506-4988-7