1. Gas chromatographic observation of the reduction of carbon dioxide to methane during anaerobic digestion;Chmielowski;Nature, Lond.,1959
2. The use of gas chromatography in sludge digestion;Chmielowski;Sewage ind. Wastes,1959
3. Development of a continuous gas chromatographic analyser for sludge digestion studies;Grune;Sewage ind. Wastes,1956
4. Effect of radioactive material on anaerobic digestion;Grune;Sewage ind. Wastes,1958
5. Anaerobic process automation by ORP, conductivity and gas chromatography;Grune,1958