@article{Bound1995,
author = {Bound, J. and Jaeger, D.A. and Baker, R.M.},
title= {Problems with instrumental variables estimation when the correlation between the instruments and the endogenous explanatory variable is weak},
year = {1995},
doi = {10.1080/01621459.1995.10476536},
journal = {Journal of the American Statistical Association},
volume = {90},
number = {430},
pages = {443--450},
}