KHALAF, S . Z . Determination of some characteristics of comet’s gases by photometry method for comet Hyakutake. Iraqi Journal of Physics, Baghdad, Iraq., v. 14, n. 29, p. 175–181, 2019. DOI: 10.30723/ijp.v14i29.233. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/233.. Acesso em: 19 dec. 2024.