add refs to description

LandSciTech · Jun 17, 2022 · 690007f · 690007f
1 parent aefe152
commit 690007f
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -28,9 +28,11 @@ URL: https://github.com/LandSciTech/roads,
      https://landscitech.github.io/roads/
 Description: Project road network development based on an existing road 
     network, target locations to be connected by roads and a cost surface. Road 
-    projection methods include minimum spanning tree with least cost path, least
-    cost path or snapping. These road network projection methods are ideal for
-    use with land cover change projection models.
+    projection methods include minimum spanning tree with least cost path 
+    (Kruskal’s algorithm (1956) <doi:10.2307/2033241>), least cost path 
+    (Dijkstra's algorithm (1959) <doi:10.1007/BF01386390>) or snapping. 
+    These road network projection methods are ideal for use with land cover
+    change projection models.
 License: Apache License (>= 2)
 Encoding: UTF-8
 LazyData: true