Erratum

F. Ramos-Gómez and E.R. Chávez ''Letter from the editor'' Rev. Mex. Fis. 58(3) (2010) ii.

• Page ii, 3^rd paragraph, first line reads:

''VIII International Symposium on Radiation Physics''

Should read:

''VII International Symposium on Radiation Physics''

M.A. Martínez-Carrillo, et al. Rev. Mex. Fis. 58(3) (2010) 258- 261.

• Reads:

M.A. Mondagó,

Should read:

M.A. Mondragón