000
00249nam a2200109Ia 4500
008
220201s1971 xx 000 0 eng d
100
_a
Meek, JL
245
0
_a
Matrix structral analysis
260
_b
McGraw hill
_c
1971
300
_a
481
942
_2
ddc
999
_c
81241
_d
81241