TY  - BOOK
AU  - Dickson, J.H..
TI  - Bryophytes of the pleeistocene:The british record and its chorological and ecological implications / 
SN  - 0-521-08576-4
U1  - I3:5.56 
CY  - London : 
PB  - Cambridge University Press.
KW  - Geological and Palynological Background
ER  -