[Carbonius]

There is a prolific amount written on this topic;

http://www.acousticguitarforum.com/f...d.php?t=154286

http://www.pantheonguitars.com/tonewoods.htm

http://www.acousticguitarcommunity.c...ource=activity

or take your pick at google;
https://www.google.ca/?gws_rd=ssl#q=...ck%2C+Engleman