Woolman, J
Mechanical and physical properties of the British standard En steels (B S 970-1955)
- London: Pergamon Press, 1964
Vol. 2 (En 21 to En 39); xx, 488p.
Vol. 3 (En 20 to En 363); xx, 602p.
Chemical technology
British standards
669.14/.15(083.7)BS / K4.2