@Book{stig,
 author         = {S. M. Stigler},
 title          = {The History of Statistics},
 publisher      = {The Belknap Press of Harvard University Press},
 address        = {Cambridge},
 edition        = {},
 year           = {1986}
}

@Article{choud,
 author         = {J. B. Choudhury},
 title          = {Non-parametric confidence interval estimation for
		competing risks analysis: application to contraceptive data},
 journal        = {Statistics in Medicine},
 volume         = {21},
 number         = {},
 pages          = {1129--1140},
 month          = {},
 year           = {2002}
}