De ouderdom der aarde / door G.J. Sizoo ... [et al.]
type: CreativeWork
type: Book
type: ProductModel
main entity of page: https://data.bibliotheken.nl/.well-known/genid/a7e56255432dbcf5a7224b836c41844c
name: De ouderdom der aarde
contributor: p069202486
language: nl
number of pages: 80
is based on: p043748589
issued: 1951
book format: EBook