000 00323nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _a"Obeng LE, Ed."
245 0 _aMan-Made Lakes
260 _bCouncil for Scientific & Industrial Research
260 _c1969
365 _b0.00
650 _aEngineering
942 _cBK
999 _c249433
_d249433