00566nam a2200169Ia 450000100070000000500170000700800410002402000150006510000290008024500920010926000500020130000190025150400410027065000210031165000380033265000260037030649520160527185342.0120123s1999    sp              0 0 spa    a84795449371 aSanz, José Luis2Local14aLos dinosaurios voladoresbhistoria evolutiva de las aves primitivascJosé Luis Sanz.  aMadridbEdiciones Libertarias/Prodhufic1999.  a239 p.c20 cm.  aIncludes bibliographical references.00aDinosaurs2Local 0aPaleontology - - Research.2Local00aBirds, Fossil.2Local