TY  - BOOK
AU  - Voigt, Melvin J.
AU  - Harris, Michael H.
TI  - Advances in Librarianship ( Volume-7 )
SN  - 0127850058
U1  - 020 
PY  - 1975///
CY  - New York
PB  - Academic Press, INC.( London) Ltd.
ER  -