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Phys Rev D Part Fields
; 35(9): 2752-2757, 1987 May 01.
Article
in English
| MEDLINE
| ID: mdl-9957984
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Phys Rev D Part Fields
; 33(12): 3495-3508, 1986 Jun 15.
Article
in English
| MEDLINE
| ID: mdl-9956575