diff --git a/REFERENCES b/REFERENCES
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+https://www.disktuna.com/list-of-jpeg-markers/
+https://www.w3.org/Graphics/JPEG/jfif3.pdf
+https://www.w3.org/Graphics/JPEG/itu-t81.pdf
+https://www.fileformat.info/format/jpeg/corion.htm
+https://www.fileformat.info/format/jpeg/egff.htm
+http://fileformats.archiveteam.org/wiki/JFIF
+https://stackoverflow.com/questions/14414884/getting-actual-image-resolution-from-jfif-exif-jpeg-header
+https://raw.githubusercontent.com/corkami/pics/master/binary/JPG.png