Smith et al., 1999. In: Wiley Series in Crop Science, 4, John Wiley and Sons, 1999 Document reference Smith, C. W.; Cothren, J. T., 1999. Cotton: origin, history, technology and production. In: Wiley Series in Crop Science, 4, John Wiley and Sons, 1999Web http://books.google.fr/books?id=5XM6b1TKS5cCCitation key Smith et al., 1999Datasheets Cotton (general)Cotton seeds
