000
00604nam a2200193Ia 4500
919
_a
080983
082
_a
674.00973
_b
N80
245
_a
Study of lumber used for bracing trenchies in the united states
_b
260
_b
NBS
_c
1980
490
_a
NBS/SP Building Science Series
_v
122
999
_c
77677
_d
77677