Sen Song, Kenneth D. Miller and L. F. Abbott
Competitive Hebbian learning through spike-timing-dependent synaptic plasticity
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"1000 excitatory and 200 inhibitory synapses"

"In the simulations, excitatory synapses are modified based on their pre- and postsynaptic spike timing, whereas inhibitory synapses are held fixed."

     37. Troyer, T. W. & Miller, K. D. Physiological gain leads to high ISI variability in a simple model of a cortical regular spiking cell. Neural Comp. 9, 971.983 (1997). => done