5Rahman S, Sarker S H, Huque S. Performance study of an indigenously built fiat plate solar water heater [C ]//Proceed- ings of 2009 1st International Conference on the Develop- ments in Renewable Energy Technology {ICDRET), De-cember 17-19, 2009, Dhaka. New York:IEEE Xplore, 2009 : 1-4.
6A1-Ali A R, Zualkernan I, Aloul F. A mobile GPRS-sen- sors array for air pollution monitoring[J ]. IEEE Sensors Journal ,2010,10(10) : 1666-1671.