TY  - BOOK
AU  - Platts,C.V.
AU  - Nuffield Foundation
TI  - The structure of substances
T2  - Chemistry background book
U1  - 547.122 
PY  - 1969///
CY  - London
PB  - Penguin Books
KW  - Chemical structure
KW  - Matter -- Constitution
KW  - Cristalografia de raios x
ER  -