TY  - BOOK
ED  - International Organization for Standardization
TI  - International code fort the abbreviation of titles of periodicals
T2  - ISO/R4-1953 (E)
PY  - 1954///
CY  - (s.l.)
PB  - (s.e.)
KW  - Publicaciones periódicas
KW  - Abreviaturas
N1  - Fotocopias
ER  -