000 00507nam a2200181Ia 4500
008 170101s1968 xx 000 0 und d
082 _a627.52 B36P
100 _aBEAR, J
245 0 _aPhysical principles of water percolation and seepage
260 _bParis
_c1968
300 _a465p
440 _aArid zone research series, no.19
650 _aARID REGIONS - RESEARCH
653 _aARID REGIONS - RESEARCH
653 _aHYDRAULIC ENGINEERING
653 _aRECLAMATION OF LAND
942 _2ddc
_cB
_03
999 _c32503
_d32503