000 00302nam a2200133Ia 4500
008 190719s9999 xx 000 0 und d
082 _a620.136 E514
100 _aELVERY.R.H
245 0 _aCONCRETE PRACTICE
250 _a2
260 _aLONDON
_bC.R BOOKS
_c1963
300 _a23X14
942 _cBK
_2DDC
999 _c45297
_d45297