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• London : Intertech Press (2)
• London : IPC Building and Contract Journals, (1)
• London : IPC Building and Contract Journals Ltd., 1971 (2)
• London: IPC Business Press (1)
• London : IPC Industrial Press (3)
• London : IPC Industrial Press. (1)
• London : IPC Magazines 1976 London : Royal Television Society, (1)
• London : J. Brockhouse (1)
• London : James Moran (1)
• London : John Gosheron and Co. (1)
• London : John Murray, 1933 Albans : Science Reviews (1)
• London : John Trundell & Partners, (1)
• London : Kalerghi (2)
• London : L. Cassier (1)
• London : L. Hill (3)
• London: Leonard Hill Technical Group. (1)
• London : Leonard Hill, 1956-1962. (1)
• London : Lesterstar; E S Publications Ltd. (1)
• London: Lomond Technical Press. (1)
• London : London and Sheffield Publishing Co., (1)