000 00441naa a22001214a 4500
001 CR480199
040 _aveucat
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041 _aspa
100 _aMULAZZANI, M
245 _aUNIVERSAL CLASS OF 4-COLOURED GRAPHS
942 _2lcc
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773 _aREVISTA MATEMATICA COMPLUTENSE
999 _c160159
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