共 50 条
[22]
UNITED-STATES - A NERVOUS FED SHIFTS GEAR
[J].
ECONOMIC AND POLITICAL WEEKLY,
1985, 20 (05)
:189-190
[29]
LANDSAT KEEPS AN EYE ON CONTINUING UNITED-STATES DROUGHT
[J].
NATURE,
1988, 334 (6184)
:641-641