Astracts and References

These abstracts and references are compiled by the Radio Research Organilzation of the Department of Science and Industrial Research, London, England, and Published by Arrangement wilth that Department and the Eecfronic and Radio Engineer, incorporati'ng Wireless Engineer, London, England. The Index to the Abstracts and References published in the PROC. IRE fromn February, 1957 through January, 1958 is published by the PROC. IRE, May, 1958, Part II. It is also published by Electronic and Radio Engineer, incorporating Wireless Engineer, and included in the March, 1957 issue of that journal. Included with the Index is a selected list of journals scanned for abstracting with publishers' addresses.