TY  - BOOK
AU  - Derz,Friedrich WChemSUPPLIERSdirectory
TI  - Chem SUPPLIERS directory
SN  - 3110042738
PY  - 1976///
CY  - Berlin
PB  - W. de Gruyter
KW  - Chemicals
KW  - Manufacture and industry
KW  - Directories
N1  - Introd. in English, French, and German
ER  -