Structural Air Raid Protection in England and Abroad / K.J. Sommerfeld
- Made:
- 1939
Structural Air Raid Protection in England and Abroad / K.J. Sommerfeld, 1939 Feb. [Ts. vol., ii + 41p. on thirty leaves, with index (7p); mounted photographs. Paper read at meeting of the Engineering Society of City and Guilds College on Feb 9]
