L iun<chr_var letter="s" var="long">∫</chr_var> <chr_abbr type="reg" class="ml" expan="ver" cert="no">ver</chr_abbr><chr_var letter="s" var="long">∫</chr_var> lautre cort <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr>po<chr_abbr type="reg" class="dc" expan="int" cert="no">it-hbar</chr_abbr>. 