STEINER, P., I. SANDER, і S. HUFNER. «The Electronic Structured High-Tc Compounds As Obtained from Photoemission». ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, вип. 16, вип. 5, Травень 1990, с. 578-9, http://80.92.230.95/index.php/fnt/article/view/f16-0578e.