TY  - BOOK
ED  - Govt. of India (British)
TI  - List of chemical research in progress: fifth list ; corrected up to january 1920 
U1  - 660.28 
PY  - 1920///
CY  - Simla
PB  - Govt. Monotype Press
KW  - Chemical processes
KW  - Chemical process control
KW  - Instruments
KW  - Congresses
ER  -