• https://tesi.univpm.it/handle/20.500.12075/4921
• https://tesi.univpm.it/handle/20.500.12075/7242
• https://tesi.univpm.it/handle/20.500.12075/20365
• https://tesi.univpm.it/handle/20.500.12075/12930
• https://tesi.univpm.it/handle/20.500.12075/26919
• https://tesi.univpm.it/handle/20.500.12075/9411
• https://tesi.univpm.it/handle/20.500.12075/9499
• https://tesi.univpm.it/handle/20.500.12075/11549
• https://tesi.univpm.it/handle/20.500.12075/21626
• https://tesi.univpm.it/handle/20.500.12075/22591