الوصف
منشور في:Began with Jan. 1963 issue.
وصف المادة:Description based on: Vol. 17, no. 2 (Mar.-Apr. 1979); title from cover.
وصف مادي:v. : ill., maps. ; 29 cm.
Also available in electronic version via the Internet.
تواتر النشر:Bimonthly, <, Sept./Oct. 1975->
التنسيق:Mode of access: World Wide Web.
تدمد:0017-467X
مواد ذات صلة:Some special issues contain: National Ground Water Quality Symposium. Proceedings of the National Ground Water Quality Symposium.
وصول:Electronic full text access restricted to licenced organisations with IP address and password.
ابحث عن Aid:Vols. 1 (1963)-29 (1991). 1 v