Titlebook: Werbemanagement; Fritz Unger Book 1989 Physica-Verlag Heidelberg 1989 Marketing.Marketing-Instrument.Marketing-Management.Suchmaschinenmar

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Climatic indices and classifications in relation to the biogeography of southern Africaon. Different species, for instance, vary in their minimum requirements for, and in their tolerance of, particular climatic conditions and these conditions therefore play a major role in determining where a particular plant can or cannot exist (Tivy 1971).