TY  - BOOK
AU  - Steven S. Zumdahl
AU  -  Donald J. DeCoste 
TI  - Introductory chemistry
SN  - 9781337399524
U1  - REF.540 Z85 
PY  - 2019///
CY  - Boston, Massachusetts
PB  - Cengage Learning
KW  -  Chemistry
ER  -