fix references

Author: rafapereirabr

cran-comments.md

@@ -4,5 +4,5 @@ Duration: 55.6s
 0 errors √ | 0 warnings √ | 0 notes √
 
 # Resubmission after CRAN suggestions
-* Fixed redundancy in DESCRIPTION
-* References to specific indicators are presented in the vignettes and in the @details of functions accordingly. There are too many references to cite in DESCRIPTION.
+* Package now does not affect users' options().
+* Each function refers to the indicadors proposed in one or more studies. We include references in the vignettes and in the @details of functions accordingly. There are too many references to cite in DESCRIPTION

vignettes/decay_functions.Rmd

@@ -8,7 +8,6 @@ vignette: >
   %\VignetteIndexEntry{Decay functions} 
   %\VignetteEngine{knitr::rmarkdown} 
   \usepackage[utf8]{inputenc}
-bibliography: references.json
 ---
 
 ```{r, include = FALSE}