@book{132121,
	author = {Muhammad Abdul Hai, ed. J. R. Firth and J. R. Firth},
	title = {A phonetic and phonological study of nasals and nasalization in Bengali : },
	publisher = {The University of Dhaka, },
	year = {1960.},
	address = {Dhaka :},
	note = {Includes index.}
}