Refs by S Gebbert added (#121)

temporal/t.rast.algebra/t.rast.algebra.html

@@ -583,15 +583,27 @@ The use of this module requires the following software to be installed:
 <p>
 <div class="code"><pre>
 # Ubuntu/Debian
-sudo apt-get install python-ply
+sudo apt-get install python3-ply
 
 # Fedora
-sudo dnf install python-ply
+sudo dnf install python3-ply
 
-# MS-Windows (OSGeo4W: requires "python-pip" package to be installed)
-python-pip install ply
+# MS-Windows (OSGeo4W: requires "python3-pip" package to be installed)
+python3-pip install ply
 </pre></div>
 
+<p>
+Related publications:
+<ul>
+<li> Gebbert, S., Pebesma, E. 2014. <i>TGRASS: A temporal GIS for field based environmental modeling</i>.
+ Environmental Modelling &amp; Software 53, 1-12 (<a href="http://dx.doi.org/10.1016/j.envsoft.2013.11.001">DOI</a>)
+ - <a href="http://ifgi.uni-muenster.de/~epebe_01/tgrass.pdf">preprint PDF</a></li>
+<li> Gebbert, S., Pebesma, E. 2017. <i>The GRASS GIS temporal framework</i>. International Journal of
+ Geographical Information Science 31, 1273-1292 (<a href="http://dx.doi.org/10.1080/13658816.2017.1306862">DOI</a>)</li>
+<li> Gebbert, S., Leppelt, T., Pebesma, E., 2019. <i>A topology based spatio-temporal map algebra for big data analysis</i>.
+ Data 4, 86. (<a href="https://doi.org/10.3390/data4020086">DOI</a>)</li>
+</ul>
+
 <h2>SEE ALSO</h2>
 
 <em>

temporal/temporalintro.html

@@ -243,23 +243,23 @@ their raster pendants, but with 3D raster map layers:
 <h4>See also</h4>
 
 <ul>
-<li>
-	Gebbert, S., Pebesma, E., 2014. TGRASS: A temporal GIS for field
-	based environmental modeling. Environmental Modelling &amp;
-	Software 53, 1-12. (<a href="http://dx.doi.org/10.1016/j.envsoft.2013.11.001">DOI</a>)
-</li>
-<li>
-	<a href="http://grasswiki.osgeo.org/wiki/Temporal_data_processing">Temporal
-	data processing</a> (Wiki)
-</li>
-<li>
-	Vaclav Petras, Anna Petrasova, Helena Mitasova, Markus Neteler,
+<li> Gebbert, S., Pebesma, E. 2014. <i>TGRASS: A temporal GIS for field based environmental modeling</i>.
+     Environmental Modelling &amp; Software 53, 1-12 (<a href="http://dx.doi.org/10.1016/j.envsoft.2013.11.001">DOI</a>)
+     - <a href="http://ifgi.uni-muenster.de/~epebe_01/tgrass.pdf">preprint PDF</a></li>
+
+<li> Gebbert, S., Pebesma, E. 2017. <i>The GRASS GIS temporal framework</i>. International Journal of
+     Geographical Information Science 31, 1273-1292 (<a href="http://dx.doi.org/10.1080/13658816.2017.1306862">DOI</a>)</li>
+
+<li> Gebbert, S., Leppelt, T., Pebesma, E., 2019. <i>A topology based spatio-temporal map algebra for big data analysis</i>.
+     Data 4, 86. (<a href="https://doi.org/10.3390/data4020086">DOI</a>)</li>
+
+<li> <a href="http://grasswiki.osgeo.org/wiki/Temporal_data_processing">Temporal
+	data processing</a> (Wiki)</li>
+
+<li> Vaclav Petras, Anna Petrasova, Helena Mitasova, Markus Neteler,
 	<b>FOSS4G 2014 workshop</b>: <br>
 	<a href="http://fatra.cnr.ncsu.edu/temporal-grass-workshop/">Spatio-temporal
-	data handling and visualization in GRASS GIS</a>
-</li>
-<li>
-	<a href="http://www.geostat-course.org/Topic_Gebbert">GEOSTAT 2012
-	TGRASS Course</a>
-</li>
+	data handling and visualization in GRASS GIS</a></li>
+
+<li> <a href="http://www.geostat-course.org/Topic_Gebbert">GEOSTAT 2012 GRASS Course</a></li>
 </ul>