TY  - BOOK
AU  - Thomssen,E.G
TI  - Soaps and detergents 
U1  - 668.12 21
PY  - 1949///
CY  - E.U.A : 
PB  - Mac Nais-Dorland Company, 
KW  - LEMB
KW  - JABONES Y DETERGENTES
ER  -