000			00549nam a22001697a 4500
003			FRI
005			20171206154633.0
008			171206b xxu||||| |||| 00| 0 eng d
082			_221st ed. _a674.144 _bECH/V
100			_aEchols, Robert M.
245			_aVariation in Tracheid Length and Wood Density in Geograpic Races of Scotch Pine
260			_aNew Haven _bYale University _c1958
300			_a52p.
500			_aYale University: School of Forestry Bulletin no.64
653			_aWood Density Measurment, Statistical Design
942			_2ddc _cEN
999			_c38616 _d38616