PropertyValue
?:linkContext
  • Lotka, A. J., 1931: Orphanhood in Relation to Demographic Factors. A Study in Population Analysis. Metron 9: 37-109 (xsd:string)
?:linkSource
  • OUTCITE pipeline (xsd:string)
?:linkingMethod
  • automatic (xsd:string)
?:mainEntity
?:name
  • Lotka, A. J. (1931). Orphanhood in Relation to Demographic Factors. A Study in Population Analysis. Metron, 9 pp. 37-109. (xsd:string)
is ?:referenceMetadata of
?:toSource
  • sowiport (xsd:string)
rdf:type