000 00495nam a2200181Ia 4500
008 170901s1968 xx 000 0 und d
082 _a628.352
_bB38P
100 _aBear, J.
245 0 _aPhysical Principles of Water Percolation and Seepage
260 _aUSA
_bUNESCO
_c1968
300 _a464
650 _aEngineering and allied operations
650 _aTechnology (Applied sciences)
653 _aWater filtration
700 _aIrmay, S.
700 _aZaslavsky, D.
942 _2ddc
_cBK
999 _c12162
_d12162