books

Books about Lingenfelder:

booksTeen inventors: meet three teens and their amazing creations.(USA)(Grayson Rosenberger, Ana Lingenfelder and Andrew... by Rachel Waugh (Jun 15, 2007)

wiki

Wiki information Lingenfelder:

Charl-Johan Lingenfelder
Film music contributor, Person, Theatrical Composer, Musical Director

Charl-Johan Lingenfelder is a film score composer.