TY  - BOOK
AU  - Dobson, K.
AU  - Holman, J.
AU  - Roberts, M.
TI  - Holt science spectrum: a physical approach 
SN  - 0030543495
AV  - QC161.H6 2001 
CY  - UK
PB  - Holt, Rinehart and Winston
ER  -