TY  - BOOK
AU  - Clements, Richard
TI  - MODERN CHEMICAL DISCOVERIES
U1  - 540.904 
PY  - 1956///
CY  - London
PB  - Routledge & Paul
KW  - Chemistry. Hist
KW  - Atomic Energy
KW  - Chemical Industries
N1  - Based On Chemical Discovery And Invention In The Twentieth Century, By Sir William Tilden
ER  -