LIBROS DEL AUTOR: w s p u s

2 resultados para LIBROS DEL AUTOR: w s p u s

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  • World Socialist Review 1-10 (1986-1993)
    W. S. P. U. S. / WSPUS.
    World Socialist Review Issues 1-10 (1986-1993) Journal of the World Socialist Party of the United States ...
    Disponible

    19,22 €

  • Collection and Preservation of Insects
    Arthur D. Cushman / Arthur DCushman / P. W. Oman / PWOman / U.S. Department of Agriculture / U.SDEPARTMENT OF AGRICULTURE
    Insects are from many kinds and differ greatly in their life histories and habits. From the viewpoint of man, some insects are injurious, some are unimportant, and some are beneficial. Because of these differences it is important to recognize insects, in order that our war against injurious species may be carried on effectively.Well-preserved and properly labeled specimens ar...
    Disponible

    21,73 €