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by Verma, Paul J.; Trounson, Alan O.
by Trounson, Alan; Gosden, Roger; Eichenlaub-ritter, Ursala
by Trounson, Alan O.; Gardner, David K.
by Edited by Alan O. Trounson , Roger G. Gosden
by Wood, Carl; Trounson, Alan
by Moeloek, F. A.; Affandi, B.; Trounson, Alan O.; et al.