Access

You are not currently logged in.

Access your personal account or get JSTOR access through your library or other institution:

login

Log in to your personal account or through your institution.

If You Use a Screen Reader

This content is available through Read Online (Free) program, which relies on page scans. Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.

[Information Retrieval and Multilingual Abstracts]

Journal (Water Pollution Control Federation)
Vol. 40, No. 11, Research Supplement to: 40, 11, Part II (Nov., 1968), pp. R489, R491, R493, R495-R506
Stable URL: http://www.jstor.org/stable/25036178
Page Count: 15
  • Read Online (Free)
  • Subscribe ($19.50)
  • Cite this Item
Item Type
Article
Thumbnails
Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
[Information Retrieval and Multilingual Abstracts]
Preview not available

Page Thumbnails

  • Thumbnail: Page 
R489
    R489
  • Thumbnail: Page 
R491
    R491
  • Thumbnail: Page 
R493
    R493
  • Thumbnail: Page 
R495
    R495
  • Thumbnail: Page 
R496
    R496
  • Thumbnail: Page 
R497
    R497
  • Thumbnail: Page 
R498
    R498
  • Thumbnail: Page 
R499
    R499
  • Thumbnail: Page 
R500
    R500
  • Thumbnail: Page 
R501
    R501
  • Thumbnail: Page 
R502
    R502
  • Thumbnail: Page 
R503
    R503
  • Thumbnail: Page 
R504
    R504
  • Thumbnail: Page 
R505
    R505
  • Thumbnail: Page 
R506
    R506