@inbook{Cox2005,
author = {Cox, C.},
title= {Delta method},
year = {2005},
doi = {10.1002/0470011815.b2a15029},
editor = {Armitage, P.},
editor = {Colton, T.},
booktitle = {Encyclopedia of biostatistics},
address = {New York},
publisher = {John Wiley},
pages = {1540--1542},
}