Righi E, Heldwein A, Maldaner I, Lucas DD, Stüker P. Balance of longwave radiation employing the rate of solar radiation for Santa Maria, Rio Grande do Sul, Brazil. Rev. Ciênc. Agron. 2014;46(1). Acesso em março 17, 2026. https://periodicos.ufc.br/revistacienciaagronomica/article/view/84541