How-to-install.md

@@ -25,8 +25,8 @@ with the most recent version of the following packages:
 - igraph
 
 **External R software**
-- imma
-requires
+- [imma](https://git.noc.ac.uk/ricorne/imma)
+- [icoads.utils](https://git.noc.ac.uk/brecinosrivas/icoads.utils)
 - maptools
 - reticulate
 - chron
@@ -92,7 +92,7 @@ conda install -c conda-forge r-"package name"
 ----------------------------------
 
 The IMMA data format is used for the disemmination of the ICOADS marine data.
-The R-package **imma** provides function to apply quality control to the ICOADS data.
+The R-package [imma](https://git.noc.ac.uk/ricorne/imma) provides function to apply quality control to the ICOADS data.
 
 Must be installed manually by getting the .tar.gz file from the [package repository](https://git.noc.ac.uk/ricorne/imma)
  and running the following script once your conda environment has been activated:
@@ -107,6 +107,22 @@ if the above doesn't work try:
 R CMD INSTALL imma-master.tar.gz 
 ~~~
 
+**ICOADS-utils toolbox**
+----------------------------------
+The [icoads.utils](https://git.noc.ac.uk/brecinosrivas/icoads.utils) package is a collection of utility functions to assist with the homogenization of platform identifier information and the identification of duplicated records in the processing tasks carried out by the scripts in `rscripts`. 
+
+Must be installed manually by getting the .tar.gz file from the [package repository](https://git.noc.ac.uk/brecinosrivas/icoads.utils) and running the following script once your conda environment has been activated:
+
+~~~
+conda install ./icoads.utils-master.tar.gz
+~~~ 
+
+if the above doesn't work try: 
+
+~~~
+R CMD INSTALL icoads.utils-master.tar.gz 
+~~~
+
 **Install the repository itself**
 ----------------------------------