Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.sbp.de/fileadmin/sbp.de/projects/4F6F8E9EDCDC4DADC1257E7500356011_0_1_0000_a_MAX.jpg
Frei Otto : complete works : lightweight construction, natural design
http://intranet.pogmacva.com/es/obra/editarImagenes/id/59078
Google Earth
http://timberplan.es/las-mejores-obras-de-frei-otto-premio-pritzker-2015/
https://es.wikiarquitectura.com/index.php/Archivo:EOM_7.jpg
http://diepresse.com/images/uploads/c/c/b/580811/deutscher_architekt_guenter_behnisch_olympiastadion20100713102442.jpg
http://asombrosaarquitectura.blogspot.com/2013/12/estadio-olimpico-de-munich.html
http://img.welt.de/img/kultur/crop101365895/7539596932-ci3x2l-w540-aoriginal-h360-l0/bs-behnisch-strecke3-DW-Kultur-Muenchen.jpg
http://www.behnisch-partner.de/projects/sports-facilities/olympia-park-munich
https://www.101viajes.com/munich/estadio-olimpico-munich
http://footage.framepool.com/fr/bin/16003,parc+olympique,munich,allemagne/
http://www.muenchenarchitektur.com/images/20798/%C2%A9%20Jorge%20Royan%204.jpg
www.world-of-plexiglas.com
http://www.muenchenarchitektur.com/images/20798/%C2%A9%20Jorge%20Royan%202.jpg
http://www.sayaq-adventures.com/sites/default/files/muc-zeltdachtour-teaser-m.jpg
http://www.nightphotos.de/koken/albums/irgendwas-in-muenchen/content/muenchen-olympiapark-schwimmhalle/
https://www.wochenanzeiger.de/article/119755.html
https://cityseeker.com/munich/23943-olympia-schwimmhalle
https://cl.pinterest.com/pin/127226758205599264/
http://www.everystockphoto.com/photo.php?imageId=47660
https://es.pinterest.com/pin/458945018253251463/
INTERNET http://www.qwiki.com/q/?_escaped_fragment_=/Frei_Otto