MARC信息
HEA| |00468nam0 2200181 45 000| |143108 001| |97001495 005| |970901111811.0 011| |▼a0094-5765 092| |▼aCN▼b878C0002 100| |▼a19970225a19749999k ea 101|0 |▼aeng 102| |▼aGBR 110| |▼aaza 0 200|10|▼aActa astronautica 207| 0|▼av.1(1974)- 541|1 |▼a宇航学报 905| |▼a801▼b000500011318▼b000500165- | |445▼b000500349585▼b00050016074- | |3▼b000500500989▼b000500502209▼d878
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