diff -r 55d1591b17f0 -r 9f0b78fcc894 Journal/document/root.bib
--- a/Journal/document/root.bib	Fri Feb 28 12:49:58 2014 +0000
+++ b/Journal/document/root.bib	Mon Mar 03 16:22:48 2014 +0000
@@ -1,3 +1,21 @@
+@inproceedings{ThreadX,
+  author    = {Y.~Wang and M.~Saksena},
+  title     = {{S}cheduling {F}ixed-{P}riority {T}asks with {P}reemption {T}hreshold},
+  booktitle = {Proc.~of the 6th Workshop on Real-Time Computing Systems and Applications (RTCSA)},
+  year      = {1999},
+  pages     = {328--337}
+}
+
+@inproceedings{Regehr,
+  author    = {J.~Regehr},
+  title     = {{S}cheduling {T}asks with {M}ixed {P}reemption {R}elations for {R}obustness
+               to {T}iming {F}aults},
+  booktitle = {Proc.~of the 23rd IEEE Real-Time Systems Symposium (RTSS)},
+  year      = {2002},
+  pages     = {315--326}
+}
+
+
 @INPROCEEDINGS{WINDOWSNT, 
   author={L.~Budin and L.~Jelenkovic}, 
   booktitle={Proc.~of the IEEE International Symposium on