ieee text\00021793.pdf .........\00087339.pdf .........\00126806.pdf .........\00196240.pdf .........\00201580.pdf .........\00223165.pdf .........\00320179.pdf .........\00346172.pdf .........\00387712.pdf .........\00698591.pdf .........\00822991.pdf .........\00885072.pdf .........\01039099.pdf .........\01097737.pdf .........\01189939.pdf .........\01232715.pdf .........\01355943.pdf .........\01418737.pdf ieee text