1. Bellefontaine R, Petit S, Pain-Orcet M, Deleporte P, Bertault J-G (2002) Trees outside forests. Towards better awareness. FAO Conservation Guide 35, Roma
2. Chevrou R (1973) Inventaire des haies. Revue Forestière Francaise 1:47–53
3. Cochran WG (1977) Sampling techniques. Wiley, New York
4. Corona P, Chiarabaglio PM, Chirici G, Coaloa D, Travaglini D (2002) Stima di alberature e frangivento tramite campionamento per intersezione lineare. L’Italia Forestale e Montana 3:276–292
5. David CA, Rhyner V (1999) An assessment of windbreaks in central Wisconsin. Agroforest Syst 44:313–331