<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div><span><br></span></div><div><br></div> <div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <div class="y_msg_container"> --<br><div id="yiv0346958193"><div><div style="color:#000;background-color:#fff;font-family:times new roman, new york, times, serif;font-size:12pt;"><div></div><div>
<div class="yiv0346958193MsoNormal">Dear WIEN2k experts <br></div><div style="color:rgb(0, 0, 0);font-size:16px;font-family:times new roman, new york, times, serif;background-color:transparent;font-style:normal;" class="yiv0346958193MsoNormal"><br></div>
<div class="yiv0346958193MsoNormal">Can the mbjlda approximation be used for calculating the
optical properties?</div>
<span style="font-size:11.0pt;line-height:105%;
">Best regards</span></div></div></div></div><br><br></div> </div> </div> </div></body></html>