V o<chr_var letter="s" var="long">∫</chr_var> <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> uoz <chr_abbr type="reg" class="ss" expan="com" cert="no">com</chr_abbr>peign<chr_abbr type="reg" class="dc" expan="on" cert="no">o-hbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var> <chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var>emble. 