… and year are quoted in brief in parentheses in the text, for example: (Krause 2009). Several references in one set of parentheses must be separated by semicolons, for example: (Krause 2009; Müller 2005). Instructions on the bibliography The information in the … and year are quoted in brief in parentheses in the text, for example: (Krause 2009). Several references in one set of parentheses must be separated by semicolons, …

… Jürgen Angerer, Lesa L. Aylward, Sean M. Hays, Birger Heinzow, Michael Wilhelm (2011). Int. J. Hyg. Environ. Health 214 (5):348-360 Link zur Publikation Kommission … Bundesgesundheitsbl Gesundheitsforsch Gesundheitsschutz 52 (8): 874-877 (2009) Addendum zum Konzept der Referenz- und Human-Biomonitoring-Werte (HBM) in der … Bundesgesundheitsbl Gesundheitsforsch Gesundheitsschutz 52(10): 983-986 (2009) 2. Addendum zur Stoffmonographie Blei Addendum zur "Stoffmonographie …

… Ventilation to combat "stale" air last update on 08.02.2011 The Energy Saving Ordinance The German Energy Saving Ordinance ( EnEV )  has …

… the Nitrates Directive were adopted into Annex 7 of the Surface Waters Ordinance in 2011. The environmental quality standards Directive 2008/105/EG was updated in 2013 … environmental quality standards have very low values and the Commission Directive 2009/90/EC on technical specifications for chemical analysis and monitoring of water … environmental quality standards have very low values and the Commission Directive 2009/90/EC on technical specifications for chemical analysis and monitoring of water …