@book{12554,
	author = {Beekes, R. S. P.,},
	title = {A Grammar of Gatha-Avestan /},
	publisher = {Brill,},
	year = {1988.},
	series = {Asian Studies - Book Archive pre-2000},
	address = {Leiden ;},
	url = {http://dx.doi.org/10.1163/9789004658530}
}