@article{15cbc85e75404fca9868319304c01244,
title = "Far-infrared optical conductivity gap in superconducting MgB2 films",
author = "Kaindl, {Robert A.} and Carnahan, {Marc A.} and Joseph Orenstein and Chemla, {Daniel S.} and Christen, {Hans M.} and Zhai, {Hong Ying} and Mariappan Paranthaman and Lowndes, {Doug H.}",
year = "2002",
month = jan,
day = "14",
language = "English (US)",
volume = "88",
pages = "270031--270034",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "2",
}