5

Vibration wave downhole communication technique

Year:
2017
Language:
english
File:
PDF, 1.54 MB
english, 2017
10

The splitting of Comet Halley-1986

Year:
1988
Language:
english
File:
PDF, 191 KB
english, 1988
12

One-step synthesis of nitrogen-doped ZnO nanocrystallites and their properties

Year:
2009
Language:
english
File:
PDF, 1.09 MB
english, 2009