Vélez Fortuño, J. “Inheritance of Staple Length in Upland Cotton, (Gossypium Hirsutum L.) and Its Interrelationships With Perimeter, Wall Thickness, and Weight Fineness of Fiber”. The Journal of Agriculture of the University of Puerto Rico 40, no. 1 (January 1, 1956): 1–48. Accessed April 18, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/12659.