TY  - BOOK
AU  - Chen, Loris
TI  - Painless chemistry
SN  - 978-0-7641-4602-2
U1  - 540 C518 2011 
PY  - 2011///
CY  - New York
PB  - Barron's Educational Series, Inc.
KW  - Chemistry - Study and teaching(middle school)
ER  -