1
Publicado: [1942]
Superior document: Title is part of eBook package: De Gruyter CUP eBook Package Archive 1898-1999 (pre Pub)
2
Publicado: [2011]
Superior document: Title is part of eBook package: De Gruyter DGBA Library Information Science <1990
Links: Ligazón do recurso; Ligazón do recurso; Cover