@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 ns5: . ns1:id marcrel:aut ns5:id . @prefix dcterms: . ns1:id dcterms:bibliographicCitation "A practical guide to statistical quality improvemen : opening up the statistical toolbox / Michael R. Beauregard, Barbara A. Olson, Raymond J Mikulak / New York : Van Nostrand Reinhold , 1992" . @prefix dc: . ns1:id dc:date 1992 . @prefix ns8: . ns1:id ns8:holdingsCount 0 .