000 00328nam a2200133Ia 4500
008 220709s9999 xx 000 0 und d
082 _a624.076
245 0 _aENVIRONMENTAL ENGINEERING : CONVENTIONAL PRACTICE SETS : CIVIL ENGINEERING
250 _a7
260 _bMADE EASY
260 _c2021
300 _a150
942 _cREF
999 _c81157
_d81157