Erich Schiefer

A new system for measuring the nitrogen components N2O, NH3, NO and NO2 downstream of DeNOX catalytic converters

Paul Spurk, Wolfgang Schindler, Bernd Lenzen, 2004 .

Dynamic measurements of particulate mass emission on light-duty diesel engines under steady state and transient conditions

Erich Schiefer, W. Schindler, Erich Schiefer, 1985 .