Paul Pignon

• A simplified system of bacterial classification
• Keys for determining the bacteria, actinomycetes and fungi
• Recovery of irradiated cells and organisms by nucleic acids = Ozdravlijenje ozrac̆enih ćelija i organizama pomoću nukleinskih kiselina
• Simplified key to the genera of the true bacteria and actinomycetes
• The effect of some diluents on the vitality of ram spermatozoa in vitro