Ognyanov, R. Geotechnological solutions for utmost natural gas filling of UGS reservoir,
, 2009, p. 20-22.
Ognyanov, R. .
Geotechnological solutions for utmost natural gas filling of UGS reservoir.
София: , 2009, p. 20-22.
Ognyanov, R. (2009)
Geotechnological solutions for utmost natural gas filling of UGS reservoir,
София: , p. 20-22
Ognyanov, R.
(2009).
Geotechnological solutions for utmost natural gas filling of UGS reservoir. Геология и минерални ресурси. София: 16 (9), p. 20-22.