http://labspace.open.ac.uk/file.php/5850/!via/oucontent/course/338/s324_4_bk4_ch5.pdf
This is a link to a PDF document named Principles of Flight which has a lot of detailed information on bird flight.
This is a link to a PDF document named Principles of Flight which has a lot of detailed information on bird flight.
| s324_4_bk4_ch5.pdf |
