Ursula J Blumenthal

Guidelines for wastewater reuse in agriculture and aquaculture: recommended revisions based on new research evidence

Ursula J Blumenthal, Anne Peasey, Guillermo M. Ruiz-Palacios, 2000 .

Evaluation of the WHO nematode egg guidelines for restricted and unrestricted irrigation

Duncan Mara, Ursula J Blumenthal, Guillermo M. Ruiz-Palacios, 1995 .