TY  - GEN
AU  - Retallack,G J .
TI  - Soils of the past : an introduction to paleopedology / 
SN  - 004445757X
U1  - 551.7 
PY  - 1990///
CY  - London : 
PB  - Unwin Hyman , 
KW  - PALEOPEDOLOGY
N1  - Includes references and index
ER  -