000
00283nam a2200109Ia 4500
008
200302s9999 xx 000 0 und d
100
_a
A. K. Tovey
245
_a
Model Specification for Concrete Blockwork
260
_b
Cement and Concrete Association
260
_c
1980
300
_a
12 P.,
999
_c
483
_d
483