TY  - BOOK
AU  - Gaver Mary Virginia.
TI  - Services of secondary school media centers :  evalution and devrelopment
T2  - ALA studies in librarianship; 2
U1  - 232, L1 (2) 
PY  - 1971///
CY  - Chicago
PB  - American Library Association     
KW  - LIBRARY SCIENCE
ER  -