Cibergrafia

1) bibliografia Cuello de Botella:

http://naturalezayracionalismo.blogspot.mx/2008/07/efecto-fundador-y-cuellos-de-botella-en.html

2) http://www.sesbe.org/evosite/evo101/IIID3Bottlenecks.shtml.html

3) https://mx.answers.yahoo.com/question/index?qid=20110221094014AAtNc8I

4) https://mx.answers.yahoo.com/question/index?qid=20080707174517AAGT9vD

5) http://ceambientalblog.blogspot.mx/2013/02/cuellos-de-botella_20.html