TY  - BOOK
AU  - Mann, E. J.
AU  - Lewington, R. J.
TI  - Information flow between primary journals and secondary services in the biological field, parts 1 and II
KW  - Información
KW  - Publicaciones periódicas
N1  - Sobretiro de: Quarterly bulletin of IAALD. 26 (1):21-33, 1981
ER  -