000
00272nam a2200121Ia 4500
008
220201s1968 xx 000 0 eng d
082
_b
GRA
100
_a
Graduck, II
245
0
_a
Prestressed concrete
260
_a
Calcutta
_b
Oxford
_c
1968
300
_a
139
942
_2
ddc
999
_c
20325
_d
20325