TY  - BOOK
AU  - Singer A Ed.
AU  -  Galan E Ed.
TI  - Polygorskite-sepiolite: Occurrences genesis and uses
U1  - H1141, M4 
PY  - 1984///
CY  - Amsterdam
PB  - Elsevier         
KW  -  Silicate minerals
KW  - Geology
ER  -