TY  - BOOK
AU  - Eisenkraft, Arthur 
TI  - Active physics
SN  - 1891629085
AV  - QC 30 E37 1999 CASAT 
PY  - 1999///
CY  - Armonk, NY
PB  - It's about time, 
KW  - Physics--Study and teaching (Secondary)
ER  -