Kek
Alternative, also involving C_A
https://www.cia.gov/library/readingroom/docs/CIA-RDP75-00001R000100050063-3.pdf
https://www.cia.gov/library/readingroom/docs/CIA-RDP90-00552R000606050007-9.pdf
Kek
Alternative, also involving C_A
https://www.cia.gov/library/readingroom/docs/CIA-RDP75-00001R000100050063-3.pdf
https://www.cia.gov/library/readingroom/docs/CIA-RDP90-00552R000606050007-9.pdf