Dickson, J.H.. Bryophytes of the pleeistocene:The british record and its chorological and ecological implications / by J.H.Dickson. - 1st ed / - London : Cambridge University Press. - ix,256p : ISBN: 0-521-08576-4 Subjects--Topical Terms: Geological and Palynological Background Dewey Class. No.: I3:5.56 / L3