diff --git a/docs/whitepaper/README.md b/docs/whitepaper/README.md
index b27ed8d..d9b4767 100644
--- a/docs/whitepaper/README.md
+++ b/docs/whitepaper/README.md
@@ -9,14 +9,14 @@ author:
 abstract: |
     We propose a small footprint contact printer for copying 16mm negative to print stock.
     This design can be manufactured using 3D printing and assembled using hobbyist electronic components, metric bolts and aluminum extrusion.
-    
+
 bibliography: sources.bib
 csl: citation_style.csl
 ---
 
 # Introduction
 
-But blumfort can be a spell.
+
 
 ## References
 
diff --git a/docs/whitepaper/notes.txt b/docs/whitepaper/notes.txt
index 1f5a454..eafbb70 100644
--- a/docs/whitepaper/notes.txt
+++ b/docs/whitepaper/notes.txt
@@ -1,3 +1,14 @@
 https://archive.org/details/TNM_L_F_Portable_16mm_Cine_Processor_-_Superior_20170906_0196/page/n1/mode/2up
 
-L & F Portable 16mm Cine Processor - Superior Bulk Film Co
\ No newline at end of file
+L & F Portable 16mm Cine Processor - Superior Bulk Film Co
+
+https://archive.org/details/TNM_16mm_Cine_printer_for_color_or_black-and-whit_20170906_0170
+
+16mm Cine printer for color or black-and-white copies - Superior Bulk Film Co
+
+https://ian-partridge.com/uhler_contact.html
+
+https://collections.eastman.org/objects/509964/uhler-cine-printer
+
+http://www.brianpritchard.com/FAOL/contents/2604200faol/Foncd/TEXTS/sect_8/contactpridx8.html
+ - Types of contact printers
\ No newline at end of file
diff --git a/docs/whitepaper/sources.bib b/docs/whitepaper/sources.bib
index 01680d1..9a82cca 100644
--- a/docs/whitepaper/sources.bib
+++ b/docs/whitepaper/sources.bib
@@ -1,6 +1,6 @@
-@online{example,
- author={Example Author},
- title={Example Title},
- url={http://example.com},
+@online{contactpridx8,
+ author={Brian Pritchard},
+ title={Contact Printers},
+ url={http://www.brianpritchard.com/FAOL/contents/2604200faol/Foncd/TEXTS/sect_8/contactpridx8.html},
  urldate={2025-02-20}
 }
\ No newline at end of file