Date of Full Bloom for Pear Varieties in Lafayette, Indiana, 1963. Journal of the American Pomological Society, [S. l.], v. 18, n. 2, p. 37–38, 1964. DOI: 10.71318/apom.1964.18.2.37. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/627. Acesso em: 14 dec. 2025.