Detection and Occurrence of Antibiotics and Their Metabolites in Pig Manure in Bavaria (Germany). 
Harms, K., Bauer, J.
In: Keen, P.L., Montforts; H.M.M.:
Antimicrobial Resistance in the Environment. John Wiley and Sons Inc., 293-308, 2012.

Antimicrobial resistant indictor bacteria in manure and the tracking of indictor resistance genes.
Hölzel, C., Schwaiger, K.
In: Keen, P.L., Montforts; H.M.M.:
Antimicrobial Resistance in the Environment. John Wiley and Sons Inc., 225-240, 2012