000 00568nam a2200181 a 4500
005 20230225063908.0
008 081109s1955 mx r 000 0 spa d
035 _aUPN01000166518
049 _aUNE
080 _a341 =20 "1955" GUG No.1.
100 1 _aGuggenheim, Paul
245 1 0 _aSurvey on the ways in which states interpret their international obligations /
_cPaul Guggenheim.
260 _aParis :
_bUNESCO,
_c1955.
300 _a21 p.
440 0 _aReports and papers in the social sciences; 1
690 _aDerecho internacional
_911251
905 _aUNESCO
999 _c138629
_d138629