Q uil uien<chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr>t pre<chr_var letter="s" var="long">∫</chr_var> dune f<chr_abbr type="reg" class="dc" expan="on" cert="no">o-hbar</chr_abbr>t<chr_abbr type="reg" class="dc" expan="eni" cert="no">ei-hbar</chr_abbr>ne. 