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書名 National parks [electronic resource]
出版項 [Washington, D.C. : National Parks & Conservation Association]
說明 v. : ill. ; 28 cm
Quarterly, 2004-
Monthly, 1981-June 1981
Bimonthly, July/Aug. 1981-2003
Print began with vol. 55, no. 1 (Jan. 1981)
附註 Also issued in print
Mode of access: World Wide Web
Description based on print version record
鏈接 National parks (Washington, D.C.) 0276-8186 (DLC) 81643416 (OCoLC)7077425
先前题名 National parks & conservation magazine
主題 National parks and reserves -- United States -- Periodicals
Conservation of natural resources -- United States -- Periodicals
Alt Author National Parks and Conservation Association
Unif Title National parks (Washington, D.C. : Online)
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