Zainuddin, M. Z., Abd Aziz, N. A., Arif, A., Ahmad, N., & Haron, S. (2006). Astronomical Seeing Measurement of two Observatory Sites in Malaysia: The DIMM Method. Malaysian Journal of Science, 25(1), 129–135. Retrieved from http://ojie.um.edu.my/index.php/MJS/article/view/8279