TY  - BOOK
AU  - Pearson,Neville P.
AU  - Butler,Lucius
TI  - Instructional materials centers: selected readings 
PY  - 1969///
CY  - Minneapolis, Minn.
PB  - Burgess Publishing
KW  - Instructional materials centers
KW  - Addresses, essays, lectures
N1  - includes index
ER  -