Would appreciate if anyone that has access to any of the following papers could help.
http://www.sciencedirect.com/science/article/pii/003810989290609D
http://avspublications.org/jvsta/resource/1/jvtad6/v19/i2/p576_s1?isAuthorized=no

The former one :
http://www.sendspace.com/file/z5yqdq

To remove from server :
http://www.sendspace.com/delete/z5yqdq/37782e117585b3250909ead4c77007c9

Thank you eading