State Scientific-Research Institute of Glass, Russia
I. I. Popova, V. G. Ogurtsov, Yu. P. Lezhnev, V. D. Kokaulin, V. I. Klassen, A. A. Bershitskii, R. I. Ibragimov, M. S. Bal'shin & V. I. Zil'berman
Ramensk Ore-Benefication Combine, Russia
I. I. Popova, V. G. Ogurtsov, Yu. P. Lezhnev, V. D. Kokaulin, V. I. Klassen, A. A. Bershitskii, R. I. Ibragimov, M. S. Bal'shin & V. I. Zil'berman
State Scientific Research Institute of Chemical Raw Materials Obtained by Mining, Russia
I. I. Popova, V. G. Ogurtsov, Yu. P. Lezhnev, V. D. Kokaulin, V. I. Klassen, A. A. Bershitskii, R. I. Ibragimov, M. S. Bal'shin & V. I. Zil'berman
Central Asia Production Combine of Ferrous Metals, Russia
I. I. Popova, V. G. Ogurtsov, Yu. P. Lezhnev, V. D. Kokaulin, V. I. Klassen, A. A. Bershitskii, R. I. Ibragimov, M. S. Bal'shin & V. I. Zil'berman
State Planning and Design Technical Bureau of the Ministry of Agricultural Machinery, Russia
I. I. Popova, V. G. Ogurtsov, Yu. P. Lezhnev, V. D. Kokaulin, V. I. Klassen, A. A. Bershitskii, R. I. Ibragimov, M. S. Bal'shin & V. I. Zil'berman