L. Hartmann

Physical structure of activated sludge in aerobic stabilization

G. Laubenberger, L. Hartmann, 1971 .

Historical Development of Wastewater Treatment Processes

L. Hartmann, 2001 .

The determination of glycerine in polyol mixtures by paper chromatography

L. Hartmann, C. F. Smullin, R. S. Stetzler, 1958 .

Synthesis of series of pure polyethylene glycol ethers based onn-tridecanol,7-tridecanol, and oxo-process tridecyl alcohol

L. Hartmann, R. West, 1965 .

Activity of Biomass in RBC System Treating Pulp Industrial Wastewater

L. Hartmann, Boshou Pan, 1992 .

PHYSICAL AND BIOCHEMICAL ASPECTS OF B.O.D. KINETICS

P. Wilderer, L. Hartmann, 1969 .