TY  - BOOK
AU  - Boys,Sir Charles Vernon
TI  - Soap-bubbles, their colours and the forces which mould them : : bei ng the substance of many lectures delivered to juvenile and popular aud iences, with the addition of several new and original sections / 
PY  - 1931///
CY  - London : 
PB  - Society for Promoting Christian Knowledge, 
KW  - Surface tension
N1  -  Date of last edition, 1924
ER  -