TY  - BOOK
TI  - The Merck Indexk of Chemicals and drugs: : an encyclopedia for the chemist, pharmacist, phycician, and allied professiones
U1  - 540.3 
PY  - 1952///
CY  - Rahway, N.J.
PB  - Merck
KW  - Química
KW  - Diccionarios
ER  -