Hourly Correlation of Radio Path Lengths and Surface Refractivity Index From Maui, T. H., Phase Stability Program; NBS Report 5579Frank E. FreetheySold outTrack
A Schiller Symposium: in Observance of the Bicentenary of Schiller's BirthVarious authorsSold outTrack
San Francisco Public Library: Recommendations to Meet Service RequirementsEmerson GreenawaySold outTrack