@prefix rdf: . @prefix ns1: . @prefix bibo: . ns1:id rdf:type bibo:Book , bibo:Document . @prefix marcrel: . @prefix ns4: . ns1:id marcrel:aut ns4:id . @prefix dcterms: . ns1:id dcterms:bibliographicCitation "Polar Hayes : the life and contributions of Isaac Israel Hayes, M.D / Douglas W. Wamsley / Philadelphia (Pa.) : American Philosophical Society , 2009" . @prefix ns6: . ns1:id dcterms:subject ns6:id . @prefix ns7: . ns1:id dcterms:subject ns7:id . @prefix ns8: . ns1:id dcterms:subject ns8:id . @prefix dc: . ns1:id dc:date 2009 . @prefix ns10: . ns1:id ns10:holdingsCount 3 .