Santana, J. C. F.; da Costa, J. N.; Freire, E. C.; de Andrade, F. P.; de Gusmão, J. L.; Almeida, M. G. de M.; Lima, M. do S. N. Productivity and Technical Characteristics of Fiber and Yarn of the Strains and Cultivars of the Upland and Perennial Cottons in the Northeast. (1989 and 1990 Harvests). PAB 1994, 29 (2), 287-298. https://doi.org/10.1590/S1678-3921.pab1994.v29.4055.