* Free pdf copy of The Structured Vacuum-thinking about nothing by Johann Rafelski and Berndt Muller ( 1985 ) ISBN 3-87144-889-3.
* Free pdf copy of The Structured Vacuum-thinking about nothing by Johann Rafelski and Berndt Muller ( 1985 ) ISBN 3-87144-889-3.
* Free pdf copy of The Structured Vacuum-thinking about nothing by Johann Rafelski and Berndt Muller ( 1985 ) ISBN 3-87144-889-3.
0.035 seconds.