TY - RPRT TI - Structural changes in composite surface material after dry polishing. AU - C L Davidson AU - P P Duysters AU - C De Lange AU - J R Bausch PY - 1981 DO - 10.1111/j.1365-2842.1981.tb00517.x UR - https://pubmed.ncbi.nlm.nih.gov/6457903/ ID - 6457903 ER -