00377nam a2200121Ia 4500008004100000020005500041040000800096082001600104100004300120245002400163260000900187264005900196231129s2014||||xx |||||||||||||| ||spa||  a978-958-772-213-0                                   bspa  aCo861 P438m  aPérez López  Marí­a íngeles 0aMordedura de tiempo  c2014  aBogotá  Colombia : Universidad Externado de Colombia