M l<chr_abbr type="" class="" expan="" cert="no">[apost]</chr_abbr>t gran<chr_var letter="s" var="long">∫</chr_var> col<chr_var letter="s" var="long">∫</chr_var> entredoner <chr_var letter="s" var="long">∫</chr_var>or<chr_abbr type="reg" class="dc" expan="ent" cert="no">et-hbar</chr_abbr> 