TY  - BOOK
ED  - Macdonald Educational
TI  - Children and plastics: stages 1, 2 and background : a unit for teachers
T2  - Science 5/13
SN  - 0356043525
U1  - 372.35044 23
PY  - 1974///].
CY  - [London]: 
PB  - Macdonald Educational, 
KW  - Science
KW  - Study and teaching (Primary)
N1  - Includes index
ER  -