TY  - BOOK
AU  - Ash,Michael
AU  - Ash,Irene
TI  - Chemical products desk reference: Contains over 32,000 entries of currently marketed commercial chemical trademark products 
SN  - 0820603244
AV  - TP12 C44
PY  - 1990///
CY  - New York
PB  - Chemical
KW  - Productos químicos
KW  - Directorios
ER  -