http://www.answers.com/algae&r=67
 

http://en.wikipedia.org/wiki/Algae
 

Christopher Mason, ‘Biology of freshwater pollution’, Pearson Education Limited, 2002
 

Nelson L. Nemerow, ‘Stream, lake, estuary, and ocean pollution’, Environmental Engineering series, 1991
 

Edward A. Laws, ‘Acquatic Pollution’, John Wiley & Sons Inc., 1993
 

T. J. Lee, K. Nakano and M. Matsumara, ‘Ultrasonic irradiation for blue-green algae bloom control’, Environmental Technology, vol. 22 (4), Apr. 2001, pp. 383-390
 

Mario R. Sengco, ‘A fatal attraction for harmful algae’, http://oceanusmag.whoi.edu/v43n1/sengco.html
 

John P. Smol, ‘Pollution of lakes and rivers’, Key issue in environmental change, Arnold, 2002