000 00323nam a2200121Ia 4500
008 170101s1987 xx 000 0 und d
082 _a631.7 WAl
100 _aWalker E.R.
245 0 _aSurface Irrigation : Theory and Practice
260 _aNew Jersey
_bPrentice-Hall Inc.
_c1987
300 _a386 p.
942 _2ddc
_cEG
999 _c1929666
_d1929666