References
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- Gordon , R. and Robson , J. C. 1973 . Krull dimension . Mem. Amer. Math. Soc. , 133 : ii+78
- Kaplansky , I. 1954 . Infinite Abelian Groups Ann Arbor : University of Michigan Press .
- McConnell , J. C. and Robson , J. C. 1987 . Noncommutative Noetherian rings Chichester : Wiley-Interscience .
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- #Communicated by T. Lenagan.