TY  - BOOK
AU  - Martyn, John.
AU  - Lancaster, Frederick Wilfrid.
TI  - Investigative methos in library and information science: : an introduction
U1  - 020 
PY  - 1981///
CY  - Arlington
PB  - Information Resources
KW  - BiblioteconomÃ­a
KW  - InvestigaciÃ³n
ER  -