Fabian, P. Air Pollution and Visibility Measurements. SPIE Digital Library.
Citazione stile Chigago Style (17a edizione)Fabian, Peter. Air Pollution and Visibility Measurements. SPIE Digital Library.
Citatione MLA (9a ed.)Fabian, Peter. Air Pollution and Visibility Measurements. SPIE Digital Library.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.