@inbook{+2009+xi+xii,
url = {https://doi.org/10.1515/9781400829477-001},
title = {Preface},
booktitle = {Triumph of the Optimists},
booktitle = {101 Years of Global Investment Returns},
publisher = {Princeton University Press},
address = {Princeton},
pages = {xi--xii},
doi = {doi:10.1515/9781400829477-001},
isbn = {9781400829477},
year = {2009},
lastchecked = {2026-05-04}
}