Manuscripts should be sent in hardcopy and as a file in disk to the Main Editor, Dr. Oscar Rodriguez-Rivera, Calle 36 # 215 x 67 y 69 Col. Montes de Amé 97115 Mérida, Yucatán. Tel. 999/941.50.30., Mexico or by e-mail to rodriguez.oscar@inifap.gob.mx , or faxed to +52 (999) 926 3046, in accordance with specifications described in the Guide for authors section.

A covering author permission letter should be attached.