ISBN 9783702412081. 9x12 inches.
This revised edition was prepared by comparing the previously printed edition with all manuscripts, determining and eliminating printing errors. All together the following manuscript sources have been considered: First sketch; Full score sketch; Full score final copy; Reduction for two pianos; Hand-written copy of above with some changes; Full score, first printed edition, with autograph revisions. The second, revised, printed edition of the full score was also used as reference. (P. Bartok).
