TY  - BOOK
AU  - Vessel,Matthew F.
TI  - Elementary school science teaching
T2  - The Library of education
AV  - Q181 .V45
U1  - 372.3 
PY  - 1963///
CY  - Washington
PB  - Center for Applied Research in Education
KW  - Science
KW  - Study and teaching (Elementary)
N1  - Includes bibliography
ER  -