000 00337nam a2200133Ia 4500
008 171003s9999 xx 000 0 und d
020 _a9780415397063
100 _aValence, G. D
245 0 _aModern Construction Economics Theory & Applications
250 _a1st
260 _aNew York
_bRoutledge
_c2013
300 _a218
942 _cBK
999 _c4074
_d4074