00764nam a2200217Ia 4500 54444 BIBL 20160527185807.0 821230s1971 ck 000 0 spa d (OCoLC)09092344 TXQ TXQ PUED Escudero Christiansen, Carlos. 221171 Local Concesión de obras públicas Carlos Escudero Christiansen. Bogotá, D.E. Pontificia Universidad Javeriana, Facultad de derecho 1971. 117 p. 22 cm. Thesis (doctoral)--Pontificia Universidad Javeriana, 1971. Bibliography: p. 111-117. Concessions and Public works Colombia. 212391 Local Contracts, Letting of Colombia. 213017 Local 41451 41451 0 0 0 KHH_4125_000000000000000__E799_1971 0 cil 95835 7 7 4 2016-05-27 78813 0 KHH 4125 .E799 1971 70000000035795 2016-05-27 00:00:00 r:54444 z:NCC:L 6