Count the papers published by the authors of 'Bistatic SAR along track interferometry with multiple fixed receivers' in IGARSS.
How many publications did the authors of the paper 'Bistatic SAR along track interferometry with multiple fixed receivers' publish in IEEE International Geoscience and Remote Sensing Symposium?
SELECT DISTINCT (COUNT(?answer) AS ?count) WHERE { <https://dblp.org/rec/conf/igarss/DuqueLMM10a> <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#publishedIn> 'IGARSS' }
<https://dblp.org/rec/conf/igarss/DuqueLMM10a>