implementation in mentor graphics tool....

hello,
i am lakshmi pursuing m.tech in vlsi design.this is my project period.i am implementing the paper "current comparison based domino:new low leakage high speed domino circuits for wide fan in gates" on mentor graphics(pyxis schematic) tool.

here i have implement for 8,16,32 gate inputs in pull down network.so i want to know how to put sources at these many inputs.
generally each gate input requires one source if i implement for more input gates we need more sources then circuit becomes more complex.is there any other way to implement these many gate inputs..