During the past two decades, virus taxonomy has advanced to the point where most viruses can be classified as belonging to families, genera, or groups of related viruses. Virus classification is primarily based on chem­ ical and physical similarities, such as the size and shape of the virion, the nature of the genomic nucleic acid, the number and function of com­ ponent proteins, the presence of lipids and of additional structural fea­ tures, such as envelopes, and serological interrelationships. The families, genera, or groups of viruses that have been defined on the basis of such criteria by the International Committee on Taxonomy of Viruses (ICTV) will be described in some detail in this catalogue and illustrated by elec­ tron micrographs. In my present attempt to list most if not all well es­ tablished and studied viruses in alphabetical order, I have largely confined myself to identifying them only in such taxonomic terms, generally without quoting specific data reported for individual viruses. If the latter data do not at times agree closely with those given for the taxon or group, it is difficult to decide to what extent this is attributable to misclassi­ fication due to insufficient data and errors in the analytical procedures and descriptions, or to what extent this is an expression of Nature's free­ dom of choice and abhorrence of restrictive classifications.

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A comprehensive reference for Oracle users, developers, and database and Web administrators encompasses valuable information and tools to help build and manage departmental and corporate Web sites running on Oracle database servers, describing in detail the components of Oracle Portal, including database browsing and application development, performance monitoring, and more. Original. (Intermediate) (view table of contents)

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A definitive handbook covering the basics of Oracle's objectrelational and Internet database details the overall system products, architecture, data structure, installation, management, networking capabilities, and other innovative featuers of Oracle8 and Oracle8i. Original. (Beginner) (view table of contents)

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A comprehensive reference for Oracle users, developers, and database and Web administrators encompasses valuable information and tools to help build and manage departmental and corporate Web sites running on Oracle database servers. Original. (Advanced). (view table of contents)

Product Description: SE Using Oracle WebSystem covers how to build Internet-accessible databases and how to convert current databases into Internet-accessible ones. The text explains how to create applications that can access all types of corporate databases and internal Web sites, not just Oracle systems...read more (view table of contents, read Amazon.com's description)

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