“Letter to the Editorial Office: Global Ballistic Missile Defense and Strategy of Zero Growth vs. Necessity of Global Cooperation for Sustainable Development”, PROBL EKOROZW, vol. 4, no. 1, pp. 161–165, Jan. 2009, Accessed: Sep. 15, 2026. Available: https://ph.pollub.pl/index.php/preko/article/view/4737