A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Additional access options for the primary version of this work:
John R. Loofbourow, Sister Mary Norbert Morgan. "Investigation of the Production of Growth-Promoting and Growth-Inhibiting Factors by Ultra-Violet Irradiated Microörganisms." Journal of Bacteriology 39.4 (1940) 437-453