<chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> k. <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> m<chr_abbr type="reg" class="dc" expan="on" cert="no">o-hbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var>ig<chr_abbr type="reg" class="dc" expan="" cert="no">n-til</chr_abbr> .G. 