O nli ama<chr_abbr type="" class="" expan="" cert="no">[apost]</chr_abbr>ine .j. gr<chr_abbr type="reg" class="dc" expan="an" cert="no">a-hbar</chr_abbr>t de<chr_var letter="s" var="long">∫</chr_var><chr_abbr type="reg" class="dc" expan="tri" cert="no">t-vbar</chr_abbr>er 