Smarandache, Florentin  <br/><br/>
Unfolding the labyrinth:   Open problems in physics, mathematics, astrophysics, and other areas of science  

 - USA:   Hexis-Phoenix,   2006 
 - 139p. 
<br/><br/><label>ISBN: </label>1-59973-013-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>51/52   / P6