1. System identification, a survey;Åström,1970
2. Eutrofizzazione in acque dolci e dinamica del fosforo;Beghelli,1979
3. Phosphorus kinetics in fresh waters: model compartments identification;Beghelli,1979
4. On structural identifiability;Bellman;Math. Biosci.,1970
5. Parameter and structural identifiability, concepts and ambiguities: a critical review and analysis;Cobelli;Am. J. Physiol.,1980