000 00272nam a2200121Ia 4500
008 161008s9999 xx 000 0 und d
100 _aSINGH
245 _aCONSTRUCTION AND CONCRETE TECHNOLOGY
250 _a1ST
260 _bVAYU
_c2013
300 _a339
942 _cBK
999 _c43444
_d43444