TY  - BOOK
AU  - 
TI  - Hemispherical Projection Methods In Rock Mechanics
SN  - 0046220070
U1  - 624.1513 PRI 
PY  - 1985///
CY  - London
PB  - George Allen & Unwin
KW  - Rock Mechanics
KW  - Graphic Methods
KW  - Spherical Projection
N1  - Includes bibliographical references and indexs ( p.: 122 -124 )
ER  -