5

Solid-State Control-Low Voltage Heating of Motors

Year:
1975
Language:
english
File:
PDF, 3.17 MB
english, 1975
6

Variable Energy Cyclotron

Year:
1967
Language:
english
File:
PDF, 2.34 MB
english, 1967
8

Concentration of metals in soils of St. Petersburg

Year:
2015
Language:
english
File:
PDF, 194 KB
english, 2015
10

Heavy metal content of stormwater runoff in St. Petersburg

Year:
2016
Language:
english
File:
PDF, 194 KB
english, 2016
11

Acidity of atmospheric precipitates in St. Petersburg

Year:
2016
Language:
english
File:
PDF, 236 KB
english, 2016