LEADER 00000nam 2200193 a 4500 001 0435989 003 UkHlHU 007 t 008 001210 1 1980 000 eng 040 UkHlHU 050 4 QC 173.6 G3 110 2 International Society on General Relativity and Gravity and Gravitation. 245 00 General Relativity and Gravitation. 260 New York :|bPlenum.,|c1980. 300 2v. 700 0 Held, Alan. 946 020 absent -- ISBN check required 946 6XX absent
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