@article{doi:10.1093/biomet/24.3-4.428,
author = {FIELLER, E. C.},
title = {THE DISTRIBUTION OF THE INDEX IN A NORMAL BIVARIATE POPULATION},
journal = {Biometrika},
volume = {24},
number = {3-4},
pages = {428-440},
year = {1932},
doi = {10.1093/biomet/24.3-4.428},
URL = { + http://dx.doi.org/10.1093/biomet/24.3-4.428},
eprint = {/oup/backfile/content_public/journal/biomet/24/3-4/10.1093/biomet/24.3-4.428/2/24-3-4-428.pdf}
}