Environmental Science

Coverage: Varies by title. Mostly mid90s - present., Truncation and Wildcard: * and ?, Search Tips: Use quotation marks to phrase search. Allows Boolean AND, OR and NOT searching. May limit to full-text, scholarly journals, date, page length, publication name and type.

Format: Full-text, Coverage: 1993-2007 publication dates, Truncation and Wildcard: * and ? Or !, Search Tips: Search by title, keyword, author, subject, ISBN, full-text, and image caption. Limit by date, document type, or audience type. You can also drill down through a subject classification list from general to specific.

Topic pages include mind-mapping tool and simultaneous search of other resources. Advanced search is necessary for exact phrase searching. For power searching operators, see http://academic.help.credoreference.com/search/power-searching.html

Coverage: 1970-present, Truncation and Wildcard: * and ?, Search Tips: Use quotation marks to phrase search. Allows Boolean AND, OR and NOT searching. May limit to full-text, scholarly journals, date, length, publication name and type. HELP link on each screen, which includes Citation information.

Format: Majority full-text; some additional full-text via link resolver, Coverage: Dates vary with beginning date of journal., Truncation and Wildcard: + and ----, Search Tips: Boolean commands are supported. Use quotation marks to search keywords as a phrase.

Format: Full-text, Coverage: Varies by title, most 1990-present, Truncation and Wildcard: ! and *, Search Tips: Default search assumes entered term is a phrase. Can search for terms in abstract/title/keywords, full-text , author, journal title, etc. Use singular for terms that form regular plurals. For irregular plurals, combine both terms with OR. Greek letters are spelled out in English. Super and subscripts appear inline. Browsable help lists. Journal list.

Format: Full-text, Coverage: Varies, mid 1990s - present., Truncation and Wildcard: No and No, Search Tips: Default choice in advanced search is citation, so switch to articles by text tab to keyword search. Dropdown menu allows searching by All Words, AExact Phrase or Boolean Search. Search is by Author, Title, Abstract (including title), or Full-text (including title and abstract). Select Recency or Relevancy to sort results. To search by publication dates, or specific publication names, click the button labeled Show Advanced Options. Also browseable by publication, by publisher, or by online library (broad subjects such as chemical sciences, computer science, economics, etc.)

Format: Full-text, Coverage: Varies by title, many are 1997 to present, Truncation and Wildcard: Select 'stemming' and n/a, Search Tips: Be sure to check 'Only content I have full access to' to limit to items immediately available in full-text.

Format: Citations; some full-text via link resolver, Coverage: 1970-present, Truncation and Wildcard: * and * for (any), ? for (1), $ for (0 or 1), Search Tips: Default search is for terms in the order they are entered, use quotation marks for a phrase. Search options include author, title, keyword, and subject. Author first name is initials only. Supports logical connectors AND, OR, NOT, and SAME. Can limit to one or two of the included indexes.

Format: Full-text, Coverage: Varies--mostly mid-1990s to present., Truncation and Wildcard: * and None, Search Tips: For list of all journals, go to 'Publications ' and select initial letter of title. 'Browse by Subject' provides a list of publications by area of research, but does not have a search function. Question mark icon on every page is help feature. The open lock icon is on items available in full-text.