doc|bib: cleaning bibliography
doc|bib: cleaning bibliography

  * organizing entries
  * cleaning .bib code
  * fixing reference/formatting errors

JayKickliter/liquid-dsp,wangning223/liquid-dsp,cjcliffe/liquid-dsp,cjcliffe/liquid-dsp,cjcliffe/liquid-dsp,biotrump/liquid-dsp,wangning223/liquid-dsp,manuts/liquid-dsp,jgaeddert/liquid-dsp,jgaeddert/liquid-dsp,jgaeddert/liquid-dsp,jgaeddert/liquid-dsp,wangning223/liquid-dsp,wangning223/liquid-dsp,JayKickliter/liquid-dsp,jgaeddert/liquid-dsp,andrepuschmann/liquid-dsp,biotrump/liquid-dsp,cjcliffe/liquid-dsp,andrepuschmann/liquid-dsp,andrepuschmann/liquid-dsp,biotrump/liquid-dsp,JayKickliter/liquid-dsp,biotrump/liquid-dsp,manuts/liquid-dsp,manuts/liquid-dsp,JayKickliter/liquid-dsp,andrepuschmann/liquid-dsp,andrepuschmann/liquid-dsp,wangning223/liquid-dsp,biotrump/liquid-dsp,manuts/liquid-dsp,JayKickliter/liquid-dsp,cjcliffe/liquid-dsp,manuts/liquid-dsp