Douglas R. Pratt

titleISBN-13
(ISBN-10)
year of publication
The Advanced Guide to Radio Control Sport Flying978-O-O7-157563-8
(O-O7-157563-4)
1988

D. P. · D. Pratt · (D-R) · Douglas Pratt · Douglas R. · R. P. · R. Pratt

Douglas R. (Richard) Woodwell