1. American Heart Association, Highlights of the 2020 American Heart Association Guidelines for CPR and ECC. https://cpr.heart.org/-/media/cpr-files/cpr-guidelines-files/highlights/hghlghts_2020_ecc_guidelines_english.pdf. Accessed 30 Oct 2020
2. American Heart Association, 2020 American Heart Association Guidelines for CPR and ECC. Algorithms. https://cpr.heart.org/en/resuscitation-science/cpr-and-ecc-guidelines/algorithms. Accessed 30 Oct 2020
3. American Heart Association, 2020 American Heart Association Guidelines for CPR and ECC. Part 6: Resuscitation Education Science. https://cpr.heart.org/en/resuscitation-science/cpr-and-ecc-guidelines/resuscitation-education-science. Accessed 30 Oct 2020
4. ACLS Training Center, Algorithms for Basic Life Support (2020). https://www.acls.net/blsalg. Accessed 20 Dec 2020
5. Atanassov, K.: On Generalized Nets Theory. Prof. M. Drinov Academic Publ. House, Sofia, Bulgaria (2007)