00422    a2200157   450000500170000000800410001702000180005804000190007610000210009524500410011626000320015726400320018933600080022133700160022933800190024520230712142141.0120830s        xxu||||gr|||| 00| 0 spa d  a9798729435920  aEVLGbspaerda  aMenna, Sergio H.  aLa nueva metodología de la ciencia  bEditorial Universitasc2020  bEditorial Universitasc2020  btxt  2rdamediabn  2rdacarrierbnc