Carpenter, D., & Chalker, J. (1989). THE PHASE-DIAGRAM OF A GENERALIZED XY MODEL.
Lua i Stíl Chicago (17ú heag.)Carpenter, D., agus J. Chalker. THE PHASE-DIAGRAM OF A GENERALIZED XY MODEL. 1989.
Lua MLA (9ú heag.)Carpenter, D., agus J. Chalker. THE PHASE-DIAGRAM OF A GENERALIZED XY MODEL. 1989.
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