TY  - BOOK
AU  - A James; Science 5/13 Project.; 
AU  - Schools Council (Great Britain)
TI  - Structures and forces, stages 1 & 2 : a unit for teachers
T2  - Schools Council (Great Britain).; SC 5-13
SN  - 0356040070
U1  - 372.35004 S927s 
PY  - 1972///
CY  - London
PB  - Macdonald Educational for the Schools Council
KW  -  Science
KW  - Study and teaching (Primary) Structural design
KW  - Psicologia Educacional
ER  -