\input zb-basic \input zb-ioport \iteman{io-port 70566384} \itemau{Mathur, Anmol; Chen, K. C.; Liu, C. L.} \itemti{Applications of slack neighborhood graphs to timing driven optimization problems in fpgas} \itemso{FPGA, 118-124 (1995).} \itemcc{} \itemut{} \itemli{doi:10.1145/201310.201329} \end