000
00302nam a2200121Ia 4500
008
190711s9999 xx 000 0 und d
082
_a
551.49072 W568
100
_a
WHETSTONE.G.W
245
0
_a
HYDROLOGIC INFORMATION SYSTEMS
260
_a
PARIS
_b
UNESCO&WMO
_c
1972
300
_a
24X16
942
_c
BK
_2
DDC
999
_c
16364
_d
16364