00651nam 2200253 450 99643355290331620210818113355.020210818d1958----km y0itay5003 baporBRy 00 yIngenierosciudadano de la juventud3. edBuenos AiresEditorial Hemisferio1958180 p.20 cm928.6AGOSTI,Hector P.686290ITcbaREICAT996433552903316VI.7.B. 3130ISLAVI.7.B. 3130542066BKISLAIngenieros1860185UNISA