6

Flame drilling of blast holes in fissured quartzites

Year:
1973
Language:
english
File:
PDF, 200 KB
english, 1973
8

Computing the size of interhorizon pillars in working adjacent limestone seams

Year:
1982
Language:
english
File:
PDF, 337 KB
english, 1982
9

NOTES ON SOME HOMOPTERA FROM YEMEN

Year:
1946
Language:
english
File:
PDF, 722 KB
english, 1946
10

STUDIES ON THE HOMOPTERA OF TURKEY. I-VII

Year:
1946
Language:
english
File:
PDF, 1.69 MB
english, 1946
11

ON SOME EUROPEAN SPECIES OF SELENOOEPHALUS (HOMOPTERA, JASSIDAE)

Year:
1945
Language:
english
File:
PDF, 253 KB
english, 1945
12

A CHUNRA-LIKE BYTHOSCOPID (HOMOPTERA) FROM EAST SIBERIA

Year:
1945
Language:
english
File:
PDF, 320 KB
english, 1945