Article PDF
Rights and permissions
About this article
Cite this article
Library Statistics in the United States. Nature 165, 598 (1950). https://doi.org/10.1038/165598a0
Issue Date:
DOI: https://doi.org/10.1038/165598a0
Nature volume 165, page 598 (1950)
Library Statistics in the United States. Nature 165, 598 (1950). https://doi.org/10.1038/165598a0
Issue Date:
DOI: https://doi.org/10.1038/165598a0