@article {abt_fisher_1998,
	title = {Fisher information and maximum-likelihood estimation of covariance parameters in Gaussian stochastic processes},
	journal = {Canadian Journal of Statistics},
	volume = {26},
	number = {1},
	year = {1998},
	pages = {127{\textendash}137},
	url = {http://onlinelibrary.wiley.com/doi/10.2307/3315678/abstract},
	author = {Abt, Markus and Welch, William J.}
}
