Citation_ID,Citation_label,Sf_ID,Entry_ID,Sample_ID
1,citation_1,255459,6911,1
2,Production_paper,256198,6962,1
2,Production_paper,256199,6962,2
2,reference_1,257240,7023,1
2,reference_1,257241,7023,2
1,entry_citation,258060,7078,1
1,citation_1,258270,7087,1