L. Verschraege
Cotton Fibre Impurities: Neps, Motes and Seed Coat Fragments - 1 Edición - United Kingdom International Cotton Advisory Comittee 1989 - 55 p.
i129
Cotton Fibre Impurities: Neps, Motes and Seed Coat Fragments - 1 Edición - United Kingdom International Cotton Advisory Comittee 1989 - 55 p.
i129