Die Diastasen Und Ihre Rolle in Der PraxisJean Effront · First published 1900 · Latest edition 2012Open the Tome
Les catalyseurs biochimiques dans la vie et dans l'industrieJean Effront · First published 1914Open the Tome
Improved method and means for preserving food and other substances, and for supplying sterilised air to rooms and other enclosed spacesJean EffrontOpen the Tome