Severson, Paul. Brass wind artistry : master your mind, master your instrument / by Paul Severson and Mark McDunn. - Athens, Ohio : Accura Music, c1983. - xii, 113 p. : música ; 22 cm. ISBN: 0-918194-13-X LCCN: 4397 Subjects--Topical Terms: Instruments de metall---Ensenyament.