By Richardson D.H.   in Economic Modelling

ISSN:0264-9993|12|4|415-424

Elsevier‎(1995)‎

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By Wells J. M.   Mcnally S. F.   Richardson D. H. S.   in Journal of Bryology

ISSN:1743-2820|14|3|551-563

Maney Publishing‎(1987)‎

Access to resources Favorite 3.5866475