TY  - BOOK
AU  - Lisle, Richard J  .
TI  - Stereographic projection techniques for geologists and civil engineers / 
SN  - 0-521-53582-4
U1  - HOaD 
PY  - 2004///
CY  - Cambridge : 
PB  - Cambridge University Press , 
KW  - Spherical projection
ER  -