TY  - BOOK
AU  - Bliss,Henry Evelyn
TI  - A bibliographics classification: extended by systematic auxiliary schedules for composite specification and notation
U1  - 025.4 
PY  - 1940///
CY  - New York
PB  - Wilson Company
KW  - CLASIFICACION DE LIBROS
N1  - : v.1 Introduction anterior tables and systematic schedules and clases A-G
ER  -