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Study of the Stability of a Soil‐Rock Road Cutting Slope in a Permafrost Region of Hulunbuir [PDF]

open access: gold, 2020
Yuxia Zhao   +5 more
openalex   +1 more source

The Belogradchik Rocks [PDF]

open access: yes
Photograph of a fortress wall in front of large rock formations.The Belogradchik Rocks (Belogradchishki skali) are a group of bizarrely shaped sandstone, limestone and conglomerate rock formations located on the western slopes of the Balkan Mountains ...

core   +1 more source

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