Literaturrecherche

Literatur Hera C, Schnug E, Topbas T, Gunal H, Ersahin S (eds) (2003) Fertilizers in context with resource management in agriculture : 13th International Fertilizer Symposium, June 10-13, 2002, Tokat, Turkey ; proceedings. Tokat: Gaziosmanpasa Univ, XVIII, 656 p

Literatur Hera C, Schnug E, Dumitru M, Dorneanu A (eds) (2001) Role of fertilizers in sustainable agriculture : 12th International Symposium of the International Scientific Centre of Fertilizers (CIEC), 21-22 August, 2000, Suceava, Romania ; proceedings. Bucharest: RISSA, 550 p