GUŢANU STOIAN, L., and C. GUŢANU. “THE ORCHESTRAL PLANE IN THE OPERA ALEXANDRU LĂPUŞNEANU BY GHEORGHE MUSTEA”. Studia Universitatis Babeș-Bolyai Musica, vol. 61, no. 1, June 2016, pp. 257-64, http://193.231.18.162/index.php/subbmusica/article/view/5135.