$a Kp. The method of quantititive determination of carbon monoxide released from loquid steel bath within an open hearth furnace / M. Gottwald, P. Lachnit, V. Machálek // Zeszyty Naukowe Politechniki Śląskiej. Energetyka. - Z. 67 (1978), s. 9-18. - Na s. 9: (Mining and Metallurgy Institut, Ostrava)