TY  - BOOK
AU  - Pye Kenneth
AU  -  Tsoar Haim
TI  - Aeolian sand and sand dunes
U1  - H2235, N0 
PY  - 1990///
CY  - London
PB  - Unwin Hyman        
KW  -  Petrology
KW  - Geology
N1  - Includes bibliographical references
ER  -