Scientific and technical mobilization. Part 11, Increasing the wear of shoe leather, February 8, 1944 : hearings before a subcommittee of the Committee on Military Affairs, United States Senate, Seventy-eighth Congress, second session on S. Res. 107, a resolution authorizing a study of the possibilities of better mobilizing the national resources of the United States and on S. 702, a bill to mobilize the scientific and technical resources of the nation, to establish an office of scientific and technical mobilization, and for other purposes