000
00285nam a2200121Ia 4500
008
221122s9999 xx 000 0 und d
082
_a
556.34 N75
100
_a
Davis,J.M.
245
0
_a
Two-dimensional groundwater flow
260
_b
WRC
_c
1975
650
_a
Groundwater flow
942
_c
BK
999
_c
754
_d
754