Literaturrecherche

Literatur Mátyás L, Fenyvesi L, Sonnenberg H (1999) Pig fattening on strawed sloping floor in Hungary on the basis of German experiences. Hung Agric Eng(12):532-554

Literatur Sonnenberg H (1994) Reduction of the nitrogen and phosphorus content in liquid manure by separation. Hung Agric Eng(7):36-37