(λ) - https://combineoverwiki.net/wiki/Skitch - СКИТЧ

(λ) - https://www.youtube.com/watch?v=FmCXPkM8lUM - ODDHEADER VIDEO

(λ) - https://www.youtube.com/watch?v=4tQzY-bGJek - Запись голоса космонавтки

(λ) - https://kiri2ll.livejournal.com/132642.html - Статья о братьях Джудика-Кордильови

(λ) - https://www.youtube.com/watch?v=odXWmLYHiWQ - Сравнение музыки Кейли - ч2 - https://www.youtube.com/watch?v=Na02e0Fya9Q

(λ) - https://www.reddit.com/r/HalfLife/comments/2hiqjp/ive_found_the_source_of_the_creepy_tv_music_at/  - Статья на REDDIT

(λ) - https://www.youtube.com/watch?v=-czgV4XPHh8 - KynikossDragonn radio

(λ) - https://www.whosampled.com/album/Zero-G-2/Cuckooland-Ghost-In-The-Machine/ - Zero-g Music

(λ) - https://waynebarlowe.com/artwork/expedition/ - Expedition book info