Hertsens, Marc Ballet technique : principles for the horizontal floor / by Marc Hertsens ; illustrations by Jessica Lee - Saratoga (California) : R&E, c1989 - iii, 173 p. : il.; 22 cm ISBN: 0882478397 LCCN: 123193 Subjects--Topical Terms: Dansa clàssica--TècniquesDansa clàssica--Ensenyament Universal Decimal Class. No.: 793.4.02