@book{+2009,
url = {https://doi.org/10.7208/9780226261904},
title = {Science and Engineering Careers in the United States},
title = {An Analysis of Markets and Employment},
editor = {Richard B. Freeman and Daniel L. Goroff},
publisher = {University of Chicago Press},
address = {Chicago},
doi = {doi:10.7208/9780226261904},
isbn = {9780226261904},
year = {2009},
lastchecked = {2026-05-10}
}