In 2001, how many papers did the authors of 'Reconstructing spatio-temporal activities of neural sources using an MEG vector beamformer technique' publish?
How many papers did the authors of 'Reconstructing spatio-temporal activities of neural sources using an MEG vector beamformer technique' publish in 2001?
SELECT DISTINCT (COUNT(?answer) AS ?count) WHERE { <https://dblp.org/rec/journals/tbe/SekiharaNPMM01> <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#yearOfPublication> '2001' }
<https://dblp.org/rec/journals/tbe/SekiharaNPMM01>