1

Das elektrische Verhalten von Eis (Anomale Dispersion und Absorption)

Year:
1947
Language:
german
File:
PDF, 1.07 MB
german, 1947
2

Possibilities of ecological production of methane from mixtures of methane and carbon dioxide

Year:
1992
Language:
english
File:
PDF, 285 KB
english, 1992