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Phys Rev D Part Fields
; 40(1): 157-164, 1989 Jul 01.
Article
in English
| MEDLINE
| ID: mdl-10011668
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Phys Rev D Part Fields
; 32(1): 115-122, 1985 Jul 01.
Article
in English
| MEDLINE
| ID: mdl-9955993
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