1 files changed, 11 insertions, 0 deletions
diff --git a/DCS.bib b/DCS.bib
index 9d08198..7e0d6d6 100644
--- a/DCS.bib
+++ b/DCS.bib
@@ -60,6 +60,17 @@
   url = {https://en.wikipedia.org/wiki/File:CipherDisk2000.jpg}
 }
 
+@BOOK{carlson1986,
+  title = {Communication Systems -- An Introduction to Signals and Noise in
+	Electrical Communication},
+  publisher = {McGraw-Hill International Editions},
+  year = {1986},
+  editor = {Stephen W. Director},
+  author = {A. Bruce Carlson and et al.},
+  owner = {ple},
+  timestamp = {2020.06.06}
+}
+
 @INPROCEEDINGS{friis1946,
   author = {Harald Trap Friis},
   title = {A Note on a Simple Transmission Formula},