Júnior, Aderson Soares de Andrade, Donavan Holanda Noleto, Maria Eveline da Silva, Darlan Leão Braga, and Edson Alves Bastos. “Angström-Prescott Equation Coefficients to Parnaíba, Piaui State, Brazil”. Comunicata Scientiae 3, no. 1 (March 30, 2012): 50–54. Accessed September 28, 2025. https://www.comunicatascientiae.com.br/comunicata/article/view/103.