diff --git a/DESCRIPTION b/DESCRIPTION
index dada719..cffa798 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -38,7 +38,8 @@ Imports:
     lubridate,
     caret,
     mgcv,
-    xtable
+    xtable,
+    Rdpack
 Suggests:
     knitr,
     rmarkdown,
@@ -101,3 +102,4 @@ Collate:
     'twdtwXtable.R'
     'zzz.R'
 VignetteBuilder: knitr
+RdMacros: Rdpack
diff --git a/inst/REFERENCES.bib b/inst/REFERENCES.bib
new file mode 100644
index 0000000..f511c39
--- /dev/null
+++ b/inst/REFERENCES.bib
@@ -0,0 +1,75 @@
+
+@article{Maus:2016,
+  author = {Victor Maus and Gilberto Camara and Ricardo Cartaxo and Alber Sanchez and Fernando M. Ramos and Gilberto R. de Queiroz},
+  journal={IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing},
+  title={A Time-Weighted Dynamic Time Warping Method for Land-Use and Land-Cover Mapping},
+  year={2016},
+  volume={9},
+  number={8},
+  pages={3729--3739},
+  doi={10.1109/JSTARS.2016.2517118},
+  month={Aug}
+}
+
+@article{Maus:2019,
+  author = {Victor Maus and Gilberto Camara and Marius Appel and Edzer Pebesma},
+  journal={Journal of Statistical Software},
+  title={{dtwSat}: Time-Weighted Dynamic Time Warping for Satellite Image Time Series Analysis in {R}},
+  year={2019},
+  volume={88},
+  number={5},
+  pages={1--31},
+  doi={10.18637/jss.v088.i05},
+  month={Jan}
+}
+
+@article{Olofsson:2014,
+ title = {Good Practices for Estimating Area and Assessing Accuracy of Land Change},
+ journal = {Remote Sensing of Environment},
+ volume = {148},
+ pages = {42--57},
+ year = {2014},
+ issn = {0034--4257},
+ doi = {10.1016/j.rse.2014.02.015},
+ author = {Pontus Olofsson and Giles M. Foody and Martin Herold and Stephen V. Stehman and Curtis E. Woodcock and Michael A. Wulder}
+}
+
+@article{Olofsson:2013,
+    author = {Pontus Olofsson and Giles M. Foody and Stephen V. Stehman and Curtis E. Woodcock},
+    title = {Making Better Use of Accuracy Aata in Land Change Studies: Estimating Accuracy and Area and Quantifying Uncertainty Using Stratified Estimation},
+    journal = {Remote Sensing of Environment},
+    volume = {129},
+    pages = {122--131},
+    year = {2013},
+    doi = {10.1016/j.rse.2012.10.031}
+}
+
+@article{Giorgino:2009,
+  author = {Toni Giorgino},
+  title = {{Computing and Visualizing Dynamic Time Warping Alignments in R}}:
+	The \pkg{dtw} Package}},
+  journal = {Journal of Statistical Software},
+  year = {2009},
+  volume = {31},
+  pages = {1--24},
+  number = {7},
+  doi = {10.18637/jss.v031.i07}
+}
+
+@book{Muller:2007,
+  title = {Information Retrieval for Music and Motion},
+  publisher = {Springer-Verlag},
+  year = {2007},
+  author = {Meinard M\"{u}ller},
+  pages = {64-84},
+  address = {London}
+}
+
+@misc{Didan:2015,
+  author = {Kamel Didan},
+  title =  {{MOD13Q1 MODIS/Terra Vegetation Indices 16-Day L3 Global
+             250m SIN Grid V006 [Data set], NASA EOSDIS LP DAAC}},
+  year =   {2015},
+  doi =    {10.5067/MODIS/MOD13Q1.006}
+}
+