Ognyanov, R., Grozev, M., Petkov, K. A new method for definition of contemporary geostress directions,
, 1999, p. 20-21.
Ognyanov, R., Grozev, M., Petkov, K. .
A new method for definition of contemporary geostress directions.
София: , 1999, p. 20-21.
Ognyanov, R., Grozev, M., Petkov, K. (1999)
A new method for definition of contemporary geostress directions,
София: , p. 20-21
Ognyanov, R.,
Grozev, M., &
Petkov, K.
(1999).
A new method for definition of contemporary geostress directions. Геология и минерални ресурси. София: 6 (10), p. 20-21.