@incollection{:/content/chapter/10.22233/9781910443538.chap10, author = "Cecil, Todd. R", title = "Examining the environment", booktitle = "BSAVA Manual of Ornamental Fish", publisher = "British Small Animal Veterinary Association", year = "2001", pages = "69-74", url = "https://www.bsavalibrary.com/content/chapter/10.22233/9781910443538.chap10" }