TY  - BOOK
AU  - Addison,W.E.
TI  - The allotropy of the elements
U1  - 541.7 
PY  - 1964///
CY  - London
PB  - Old Bourne Press
KW  - Chemical elements
KW  - Allotropy
N1  - Includes index; Bibiography: p. 127
ER  -