Deletion of Target strength

Comment: The ''Handbook of Acoustics'' http://books.google.com/books?id=1x_RvffW-hcC&pg=PA380 has a subsection entitled "Target Strength" which demonstrates coverage in  and that the article has the  to be expanded to be more than a dictionary definition
Stance: keep
Cited policy: Wikipedia:Reliable sources (WP:RS||WP:POTENTIAL)