00735cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001900092040004700111042001200158050001500170100002200185245015800207260003300365300002700398650002500425650001700450700002300467999001500490af 48004114 DLC20260227110906.0790202s1945    sz a          000 0 fre c  aaf 48004114   a(OCoLC)4614102  aMass. Inst. of TechnologycNbUdOCoLCdDLC  apremarc00aTD353b.K61 aKoechlin, René.14aLes eaux souterraines,bleur utilisation comme eau potable leur enrichissement artificiel,cpar René Koechlin avec la collaboration de André Koechlin  a[Lausanne,bF. Rouge]c1945.  a48 p.bdiagrs.c24 cm. 0aWaterxPurification. 0aGroundwater.1 aKoechlin, André.  c5908d5908