Masion-Zwan Tanja L ed Air and space law De lege ferenda Masion-Zwan Tanja L ed; Mendes De Lege Pablo M J ed - London Martinus Nijhoff 1992 - xxxiv,305p. cm. Standard No.: 118,744 Source: Textual Subjects--Topical Terms: LAW Dewey Class. No.: Z1,(MD53), N2