Walsh, Fiona, Pelludat, C., Duffy, B., Smith, D.P., Owens, Sarah M., Frey, Jurg E. and Holliger, E. (2014) Einfluss von Streptomycin in Apfelanlagen auf Antibiotika-Resistenzen in der Umwelt. Agrarforschung Schweiz 5(7+08), 300-305, 2014, 5 (7-8). pp. 300-305.
Walsh, Fiona, Ingenfeld, A., Zampicolli, M., Hilber-Bodmer, M., Frey, Jurg E. and Duffy, B. (2011) Real-time PCR methods for quantitative monitoring of streptomycin and tetracycline resistance genes in agricultural ecosystems. Journal of Microbiological Methods, 86 (2). pp. 150-155. ISSN 0167-7012