000
00245nam a2200109Ia 4500
999
_c
4794
_d
4794
100
_a
Harry R Cedergren
245
_a
Seepage Drainage and Flow Nets
250
_a
1
260
_c
1968
_b
JOHN WILEY & SONS
_a
New York
300
_a
xvi+489
942
_c
BK