http://catalogo.fi.uba.ar/cgi-bin/koha/opac-search.pl?q=ccl=callnum%3A%22621.86%2F.87%2C%20E714%22&format=rss2 2 0 50 ISBN http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=8391 By Ernst, Hellmut. Barcelona : Blume, 1970 . viii, 338 p. : , Título original Die hebezeuge, grundlagen and bautelle | Indice de materias | Materias contenidas en el tomo 2 y 3 27 cm..

]]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=8391 ISBN http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=8392 By Ernst, Hellmut. Barcelona : Blume, 1969 . viii, 352 p. : , Título original Die hebezeuge, widen and krane (band II) | Indice de materias | Indice de materias contenidas en el los tomos 1 al 3 27 cm..

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