https://www.jstor.org/stable/26301025?seq=2#metadata_info_tab_contents
http://www.salusjournal.com/wp-content/uploads/sites/29/2016/02/Elias_Salus_Journal_Volume_4_Number_1_2016_pp_1-12.pdf
https://books.google.co.uk/books?id=kRBMDwAAQBAJ&pg=PA113&lpg=PA113&dq=defence+central+camouflage+committee&source=bl&ots=RuvOB1ZA5O&sig=ACfU3U2u5RBriFwFiRW8ZhKA89bDVSDYaw&hl=en&sa=X&ved=2ahUKEwikxt7k84jnAhXXURUIHe6LCP8Q6AEwCnoECAoQAQ#v=onepage&q=defence%20central%20camouflage%20committee&f=false
https://books.google.co.uk/books?id=OEQnC5e3vG0C&pg=PA233&lpg=PA233&dq=defence+central+camouflage+committee&source=bl&ots=qDNpwag331&sig=ACfU3U0ltVOITi5Fj8m5D53RPS1FE7qCEA&hl=en&sa=X&ved=2ahUKEwikxt7k84jnAhXXURUIHe6LCP8Q6AEwCXoECAkQAQ#v=onepage&q=defence%20central%20camouflage%20committee&f=false
https://www.navy.gov.au/media-room/publications/semaphore-confuse-or-conceal-use-camouflage
