https://www.interez.sk/tychto-ludi-zabili-ich-vlastne-objavy-neuverite-ktory-vynalezca-je-povazovany-za-toho-najhorsieho/thomas-midgley-jr-american-chemical-engineer/ byť smart je interez Wed, 28 Jun 2023 12:26:21 +0000 hourly 1