000
00237 a2200121 4500
082
_a
551.48
_b
Sy68s
245
1
_a
WORLD WATER BALANCE
260
_a
_b
_c
300
_a
v.
650
_a
Water
964
_g
CIRC
997
_a
A23203 v. 3 C
999
_c
460230
_d
460230