01072nam a2200265 i 450099100052317970753620020503182933.0940516s1986 | 3540167439b10090204-39ule_instLE02517611ExLFac. Economiaita360Essays in social security economics :selected papers of a conference of the International Institute of management, Wissenschaftszentrum Berlin /edited by J.-Matthias Graf von der SchulenburgBerlin [etc.] :Springer,c1986222 p. :ill. ;24 cmMicroeconomic studiesSicurezza socialeSchulenburg, Johann-Matthias, Graf von der.b1009020417-02-1727-06-02991000523179707536LE025 ECO 360 ESS01.0112025000028104le025-E0.00-l- 00000.i1010490227-06-02Essays in social security economics196524UNISALENTOle02501-01-94ma -engxx 01