000
00270nam a2200109Ia 4500
008
220201s1961 xx 000 0 eng d
100
_a
Childe, HL
245
3
_a
An introduction to concrete work
260
_b
London:Concrete pub ltd
_c
1961
300
_a
120
942
_2
ddc
999
_c
76919
_d
76919