TY  - BOOK
AU  - Harder,Paul O.
TI  - Basic materials in music theory: a programed course 
SN  - 0205086896
AV  - MT6 .H255B4
PY  - 1986///
CY  - Boston
PB  - Allyn and Bacon
KW  - Music
KW  - theory
KW  - programmed instruction
N1  - Includes index
ER  -