TY  - GEN
AU  - Parkins,Phyllis V
TI  - Science information services in an environment of chance
T2  - Miles Conrad Memorial Lectures ; 1973)National Federation of Abstracting and Indexing Services. Report ; n.7
PY  - 1974///
CY  - Philadelphia
PB  - NFAIS
KW  - Serviços de informação
KW  - Br
KW  - Indexação
KW  - Resumos
ER  -