000
00284nam a2200109Ia 4500
008
140122s9999 xx 000 0 und d
082
_a
100
_a
National academy of sciences USA
245
_a
Ferrocement applications in developing countries
260
_b
_c
1974
942
_c
BK
_2
ddc
999
_c
1736
_d
1736