Competition director's insight

From the year :	2005      Publisher :  My-e-book
Author(s) :	Cornelis van Helden
ISBN-number :	9955973935
Remark :	Subtitle: Or how to pick the brain of a CD
Contents :	The first e-book published on ballooning has been written for the interest of all competition balloonists, in the hope they can learn something that will benefit them.