Excellence in Research and Innovation for Humanity
J. Mohan and  S. Maheshwari,  Two Active Elements Based All-Pass Section Suited for Current-Mode Cascading.   journal   = {International Journal of Electrical, Computer, Energetic, Electronic and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2013, vol. 73(1). 77 - 80[viewed 15 October 2018]. Available from: http://waset.org/publications/17135.