@incollection{CalmanoGraebeHupferetal., author = {Calmano, Wolfgang and Gr{\"a}be, G. and Hupfer, Michael and Kleeberg, Andreas and M{\"u}ller, D.}, title = {Chemisch/ biologische Testmethoden zur Absch{\"a}tzung des Umweltverhaltens}, series = {Untersuchung und Bewertung von Sedimenten : {\"o}kotoxikologische und chemische Testmethoden}, booktitle = {Untersuchung und Bewertung von Sedimenten : {\"o}kotoxikologische und chemische Testmethoden}, editor = {Calmano, Wolfgang}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {3-540-42157-2}, pages = {117 -- 148}, language = {de} } @incollection{HupferNixdorfTockner, author = {Hupfer, Michael and Nixdorf, Brigitte and Tockner, Klement}, title = {Reaktionen von See{\"o}kosystemen auf Umweltver{\"a}nderungen}, series = {Globaler Wandel und regionale Entwicklung : Anpassungsstrategien in der Region Berlin-Brandenburg}, booktitle = {Globaler Wandel und regionale Entwicklung : Anpassungsstrategien in der Region Berlin-Brandenburg}, editor = {H{\"u}ttl, Reinhard F. and Emmermann, Rolf and Germer, Sonja and Naumann, Matthias and Bens, Oliver}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {978-3-642-19478-8}, pages = {50 -- 56}, language = {en} } @incollection{HupferKleeberg, author = {Hupfer, Michael and Kleeberg, Andreas}, title = {Zustand und Belastung limnischer {\"O}kosysteme - Warnsignale einer sich ver{\"a}ndernden Umwelt}, series = {Warnsignal Klima: Genug Wasser f{\"u}r alle?: Gen{\"u}gend Wasser f{\"u}r alle - ein universelles Menschenrecht}, booktitle = {Warnsignal Klima: Genug Wasser f{\"u}r alle?: Gen{\"u}gend Wasser f{\"u}r alle - ein universelles Menschenrecht}, editor = {Loz{\´a}n, Jos{\´e} L. and Graßl, Hartmut and Hupfer, Peter and Menzel, L. and Sch{\"o}nwiese, C.-D.}, publisher = {Universit{\"a}t Hamburg}, address = {Hamburg}, isbn = {3-9809668-0-1}, pages = {115 -- 121}, language = {de} } @incollection{HupferReitzelGrueneberg, author = {Hupfer, Michael and Reitzel, K. and Gr{\"u}neberg, Bj{\"o}rn}, title = {Methods for measuring internal loading}, series = {Internal Phosphorus Loading in Lakes: Causes, Case Studies, and Management}, booktitle = {Internal Phosphorus Loading in Lakes: Causes, Case Studies, and Management}, editor = {Steinmann, Alan D. and Spears, Bryan M.}, publisher = {J. Ross Publishing}, address = {Chicago}, isbn = {978-1-60427-144-7}, pages = {15 -- 43}, language = {en} }