TY  - BOOK
AU  - Tillery,Bill W.
TI  - Physical science
SN  - 069703156X
AV  - Q161.2.T55 1991 
PY  - 1991///
CY  - Dubuque, Iowa
PB  - Wm. C. Brown
KW  - Physical sciences
N1  - Includes index
ER  -