1 files changed, 27 insertions, 0 deletions

diff --git a/papers.bib b/papers.bib
index e0793f2..d6cbbc9 100644
--- a/papers.bib
+++ b/papers.bib
@@ -51,3 +51,30 @@
   bibsource = {DBLP, http://dblp.uni-trier.de}
 }
 
+@article{Johnson:PCKP,
+  author = {Johnson, D. S. and Niemi, K. A.},
+  interhash = {c23744607ef3ff3bf587030dda6cc6db},
+  intrahash = {06a17ed7c91bf8af5444c70137ec774c},
+  journal = {MATHEMATICS OF OPERATIONS RESEARCH},
+  number = 1,
+  pages = {1-14},
+  title = {On Knapsacks, Partitions, and a New Dynamic
+Programming Technique for Trees},
+  volume = 8,
+  year = 1983,
+}
+
+@article{DBLP:journals/telsys/ShawCC97,
+  author    = {Dong X. Shaw and
+               Geon Cho and
+               Hsuliang Chang},
+  title     = {A depth-first dynamic programming procedure for the extended
+               tree knapsack problem in local access network design},
+  journal   = {Telecommunication Systems},
+  volume    = {7},
+  number    = {1-3},
+  year      = {1997},
+  pages     = {29-43},
+  ee        = {http://dx.doi.org/10.1023/A:1019103824623},
+  bibsource = {DBLP, http://dblp.uni-trier.de}
+}
\ No newline at end of file