TY  - BOOK
AU  - Barlex,David
TI  - Visual communication in science: learning through sharing images 
T2  - Cambridge science education series
SN  - 0521278600
AV  - LB1585 BAR 
PY  - 1985///
PB  - Cambridge university press
KW  - Audio visual aids
N1  - Includes index
ER  -