LIBROS DEL AUTOR: gerdtman

2 resultados para LIBROS DEL AUTOR: gerdtman

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  • Pollen and spore morphology/plant taxonomy; gymnospermae, pteriodophyta, bryophyta (Illustrations)
    G. Erdtman / GErdtman
    This book has been considered by academicians and scholars of great significance and value to literature. This forms a part of the knowledge base for future generations. So that the book is never forgotten we have represented this book in a print format as the same form as it was originally first published. Hence any marks or annotations seen are left intentionally to preserve ...
    Disponible

    11,33 €

  • An Introduction to Pollen Analysis
    G. Erdtman / GErdtman
    It has long been the custom among those making pollen surveys to expose microscope slides coated with a suitable adhesive and examine them for the pollen grains caught. The counts of the various species are tabulated each day and at the end of the season drawn into a graph or pollen spectrum, as it is called , which gives a clear picture of the relative amounts of the different...
    Disponible

    34,77 €