@conference {678254,
	title = {On the boundaries of solvability and unsolvability in tag systems. {T}heoretical and experimental results.},
	booktitle = {The complexity of simple programs},
	year = {2008},
	publisher = {Cork University Press},
	organization = {Cork University Press},
	abstract = {<p>Several older and more recent results on the boundaries of solvability and unsolvability in tag systems are surveyed. Emphasis will be put on the significance of computer experiments in research on very small tag systems.</p>},
	author = {De Mol, Liesbeth},
	editor = {Woods, Damien and Neary, Turlough and Seda, Tony}
}
