Biblioteca Digital

7 resultados para Technical difficulties

em Biodiversity Heritage Library, United States

The biological problem of today : preformation or epigenesis? The basis of a theory of organic development, by Professor Dr. Oscar Hertwig. Authorized translation by P. Chalmers Mitchell, M. A. With an introduction by the translator and a glossary of the technical terms.

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Applied and economic botany, especially adapted for the use of students in technical schools, agricultural, pharmaceutical and medical colleges, and also as a book of reference for chemists, food analysts and students engaged in the morphological and physiological study of plants,

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A text-book of entomology, including the anatomy, physiology, embryology and metamorphoses of insects, for use in agricultural and technical schools and colleges as well as by the working entomologist, by Alpheus S. Packard ...

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The beginnings of porcelain in China, by Berthold Laufer... with a technical report by H.W. Nichols... Twelve plates and two text-figures...

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v.15:no.2(1917)

NTP technical report on the toxicology and carcinogenesis studies of nitrofurantoin (CAS no. 67-20-9) in F344/N rats and B6C3F mice (feed studies) / National Toxicology Program.

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The Natural history of Enewetak Atoll / edited by Dennis M. Devaney ... [et al.] ; prepared by Office of Scientific and Technical Information, U.S. Department of Energy.

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Research on fish and wildlife habitat / technical editor, William T. Mason, consulting editor, Sam Iker.

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