Text ( visual ) : unmediated State immunity : some recent developments / by Christoph H. Schreuer. -- Cambridge : Grotius Publications , 1988. -- xxiii, 200 p. ; 24 cm. -- (Hersch Lauterpacht memorial lectures ; 8). -- At head of title: University of Cambridge, Research Centre for International Law ; Bibliography: p. [177]-189 ; Includes index. -- ISBN 0949009148 ; (BA03731560) ; https://ci.nii.ac.jp/ncid/BA03731560 Author Heading(s): Schreuer, Christoph H. ; University of Cambridge. Research Centre for International Law