Source: https://www.researchgate.net/profile/Lazhar-Serir/publication/228693652_Modele_de_bilan_energetique_d'une_serre_agricole_sans_couvert_vegetal/links/00b49535bc110d4fe8000000/Modele-de-bilan-energetique-dune-serre-agricole-sans-couvert-vegetal.pdf