<div xmlns="http://www.w3.org/1999/xhtml"><br /><span lang="en"><span>Dear Colleagues,</span><br /><span>Someone saw this form <strong>Sph. radians</strong> with a "mustache" in the lutetian stage, or in another stage?</span></span></div><div xmlns="http://www.w3.org/1999/xhtml"> </div><div xmlns="http://www.w3.org/1999/xhtml">Thanks!</div><div xmlns="http://www.w3.org/1999/xhtml"> </div><div xmlns="http://www.w3.org/1999/xhtml"><span lang="en"><span>Vladimir Musatov</span></span></div>