00723nam a22002537a 4500001001000000003000900010005000900019008004100028008004100069082001500110100004600125245002900171250001500200260002400215300001900239505002200258650004400280650002200324650002500346910000800371942001300379999001300392952006400405000000316PE-LiUAP20051012160331s1973    xxu||||| |||| 00| 0 eng d090620s1973    xxu||||| |||| 00| 0 eng d  a373.4bB95  9770aDel Busto Duthurburu, José Antonio  a(La) tesis universitaria  a5a ed corr  aLimabStudiumc1973  a187 p.c21 cm.  aNota de contenido  9771aTesis y disertaciones académicas  972aMetodología  9702aInvestigación  anmn  2ddccLIB  c316d316  00102ddc40709400aB01bB01cGENo373.4 B95p000398yLIB