Mai<chr_var letter="s" var="long">∫</chr_var> el <chr_abbr type="reg" class="dc" expan="" cert="no">p-hbar</chr_abbr>m<chr_abbr type="reg" class="dc" expan="er" cert="no">[apost]</chr_abbr> chem<chr_abbr type="reg" class="dc" expan="in" cert="no">i-hbar</chr_abbr> <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> troeue 