6Chirstine Bratrich, Benhard Tuffer, Jechen Markerd, Klous Jorde, and Benhard Wehrli. River Research and Application. Green Hydropower. A new Assessment Procedure for River Management. 2004.
7Joehen Markard and Stefan Vollenweider. Development of Ecological Standards for Hydropower. EAWAG. Dec. , 2005.
8LIHI. Low Impact Hydropower Certification Program Certification Package. 2004.
9LIHI. Low Impact Hydropower Questionnaire, Alcoa Power Generating Inc. Aug. ,2005.
10LIHI. Seeding Green Power Community Pilot Project To Develop an International Green Standard for Small Scale Hydropower Philip Raphals. Jan. ,2004.