Author's List |
title | creator | language | description | tableOfContents | contributor | subject | created |
Mine Pumping in Agricola's Time and Later | Multhauf, Robert P., 1919-2004 | en | 2010-01-20 | ||||
The Introduction of Self-Registering Meteorological Instruments | Multhauf, Robert P., 1919-2004 | en | 2010-05-22 |