TY - RPRT TI - Bulk and surface electronic structure of hexagonal boron nitride. AU - A Catellani AU - M Posternak AU - A Baldereschi AU - AJ Freeman PY - 1987 DO - 10.1103/physrevb.36.6105 UR - https://pubmed.ncbi.nlm.nih.gov/9942294/ ID - 9942294 ER -