TY  - BOOK
AU  - Dyer, Jean Royer,
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 201011840
SN  - 2
PY  - 1979///];copyright 1979.46
CY  - Reading, MA
PB  - Addison-Wesley Pub. Co.
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Research
KW  - Education
N1  - Includes index; Bibliography: p. 415-423; 5
ER  -