How many different affiliations do the authors of 'Mismatch errors randomization for multi-bit DAC in sigma-delta modulators based on butterfly-type network' have?
Count the different affiliations of the authors of 'Mismatch errors randomization for multi-bit DAC in sigma-delta modulators based on butterfly-type network'.
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { <https://dblp.org/rec/journals/mj/0003FZLY19> <https://dblp.org/rdf/schema#authoredBy> ?x . ?x <https://dblp.org/rdf/schema#primaryAffiliation> ?answer }
<https://dblp.org/rec/journals/mj/0003FZLY19>