000			00517nam a22001573a 4500
003			BO-SuABN
005			20221114195317.0
007			ta
008			221114t1977 xxua|||gr|||| 000 0 eng
245	1	0	_aCavity-nesting birds of North American forests / _cVirgil E. Scott ... [et al.] _k1
260			_aWashington, D.C. : _bDepartment of Agriculture, _c1977.
300			_a112 p. ; _c19 cm.
500			_aCatalogación preliminar.
546			_aTexto en inglés.
942			_2ddc _cLIB _x57
999			_c159754 _d159754