TY  - GEN
AU  - Hendricks, Gay
TI  - <The> Centering book
SN  - 0-13-12284-1
U1  - 613.7042 
PY  - 1975///
CY  - New Jersey
PB  - Prentice-Hall inc.
KW  - Education - Experimental methods
KW  - Education of children
KW  - Physical education and training
ER  -