TY  - BOOK
AU  - Meyer,Jürg
AU  - Epstein,Mark
AU  - Meyer,Jürg
TI  - Rocks and rock formations: a key to identification 
T2  - Princeton field guides
SN  - 9780691199528
AV  - QE425.4 M4913
PY  - 2021///
CY  - Princeton
PB  - Princeton University Press
KW  - Rocas
KW  - Identificación
ER  -