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1Academic Journal
المؤلفون: Wagner-Herman, J. K., Bernard, R., Dunne, R., Bisson-Filho, A. W., Kumar, K., Nguyen, T., Mulcahy, L., Koullias, J., Gueiros-Filho, F. J., Rudner, D. Z.
المصدر: Journal of Bacteriology ; volume 194, issue 17, page 4608-4618 ; ISSN 0021-9193
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2Periodical
المؤلفون: Georgantopoulos, G. A., Koullias, J., Goudas, C. L., Courogenis, C.
المصدر: Astrophysics and Space Science; February 1981, Vol. 74 Issue: 2 p357-389, 33p