Comment on “ <svg class="gs_fsvg" aria-label="Sn/Ge(111)" width="89px" height="17px" style="vertical-align:-5px;"><g transform="matrix(0.01700, 0.00000, 0.00000, 0.01700, 0.00000, 12.75000)"><g><g><path transform="scale(0.48828, -0.48828)" d="M 115
Publication Name : Physical review letters 88 (18), 189701
Citation : 3
Date : 2002
