Patašius, M., V. Marozas, D. Jegelevičius, and A. Lukoševičius. 2009. “Optimal Combinations of Color Space Components for Detection of Blood Vessels in Eye Fundus Images”. Elektronika Ir Elektrotechnika 91 (3): 53-56. https://doi.org/10.5755/j02.eie.10560.