@techreport{macrakis93-validation,
	author      = {Macrakis, Stavros},
	title       = {Overview of {ANDF} validation},
	institution = {Open Software Foundation},
	month       = {7},
	year        = {1993},
	file        = {Macrakis93-validation.pdf},
	file        = {Macrakis93-validation.ps},
}