Update cited-by

cited-by.md

@@ -47,6 +47,8 @@ Berisso, K. (2018) "DotCode Damage Testing," Journal of Computer Sciences and Ap
 
 West, M., Campbell C. (2018) "barcOwned: Popping Shells with Your Cereal Box," DEF CON 26. <https://www.youtube.com/watch?v=Wy79TLkqArg>
 
+Wells, R. (2018) "British newspaper barcodes explained - and automated," <https://www.robjwells.com/2018/02/british-newspaper-barcodes-explained-and-automated/>
+
 Russell, Robert. (2020) "How to Print QRcodes, Data Matrix, Aztec Codes, Maxi Code and Han Xin Barcodes in SAP," <https://www.rjruss.info/2020/04/how-to-print-qrcodes-data-matrix-aztec.html>
 
 Nyström, Rikard. (2021) "A Machine Vision System for Robotic Operations Quality Control in an Automated Biological Lab," Thesis. <https://umu.diva-portal.org/smash/get/diva2:1584678/FULLTEXT01.pdf>