000			00584nam a2200205 4500
999			_c200468 _d200466
003			Ge_NSL
005			20180704122020.0
008			180704s1975 us ||||| |||| 00| 0 eng d
020			_a0674303253
020			_a9780674303256
041			_aeng
080			_a81
100			_aBrown, Roger
245			_aA first language : _bthe early stages / _cRoger Brown.
264			_aCambridge, MA : _bHarvard University Press, _c1975.
300			_axx, 437 p., 1 l. ill.
504			_aBibliography: p. 415-422.
653			_aენათმეცნიერება
942			_2udc _cBK