Williams,Trevor Illtyd.
The chemical industry : past and present / Trevor Illtyd Williams. - London : Penguin books, 1953. - 190 p. ; 19 cm.
96 96
Chemical industry.
660.942 / W671c
The chemical industry : past and present / Trevor Illtyd Williams. - London : Penguin books, 1953. - 190 p. ; 19 cm.
96 96
Chemical industry.
660.942 / W671c