29

Annelation of pyridinium rings on to nitrogen heterocycles

Year:
1975
Language:
english
File:
PDF, 90 KB
english, 1975
46

Synthesis of some quinoxaline ring systems

Year:
1972
Language:
english
File:
PDF, 663 KB
english, 1972
49

Electronics and physics

Year:
1984
Language:
english
File:
PDF, 318 KB
english, 1984