Sampaio V. Effects of ringing, interstocks and twisted root systems treatments in pear, cv. Seleta . An. Esc. Super. Agr. Luiz de Queiroz [Internet]. 1990 Jan. 1 [cited 2024 May 27];47(1):71-83. Available from: https://www.revistas.usp.br/aesalq/article/view/5238