1
by Pechan, Paul, Renn, Ortwin, Watt, Allan, Pongratz, Ingemar
Published 2011
Springer New York
Subjects: ...Security Science and Technology...

2
by Pechan, Paul, de Vries, Gert
Published 2005
Springer Berlin Heidelberg
Subjects: ...Technology and Engineering...

3
Published 2013
Springer New York
Subjects: ...Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution...