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National Repository of Grey Literature 38 records found  beginprevious37 - 38  jump to record: Search took 0.00 seconds. 
Unique colour Cetraceous sandstone from quarry Javorka in Lázně Bělohrad
 Vavro, M. ; Žoček, F. ; Vavro, Leona ; Petrů, J. ; Martinec, Petr ; Ščučka, Jiří
Presented contribution gives a summary of geologocal conditions, mineragical and petrographic compositions and physical-mechanical durability properties of one, in colour and texture unusual sandstone of Czech Cetraceous Period. This stone is slightly pink and violet sandstone, nowadays exploited in qarry Javorka in Horní Nová Ves by Lázně Bělohrad and therefore sometimes also called Bělohrad sandstone.
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Methodology of fracture toughness measurement of rock
 Vavro, Leona
This paper gives information about principles and methodology of fracture toughness measurement of rock. Fracture toughness is a relatively new parameter in geomechanics and put a great requirements on laboratory preparation of rock specimen.
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National Repository of Grey Literature : 38 records found   beginprevious37 - 38  jump to record:
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2 Vavro, Luboš
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