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080 _aH551 BUL
245 _a[Papers]
336 _2rdacontent
_atexto
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337 _2rdamedia
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_bn
338 _2rdacarrier
_avolumen
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773 _tBulletin of the International association of Engineering Geology
_wH551 BUL
_nS.T.:H551 BUL PP3892
_g(vol. 40, nro. , Oct. 1989), p. 135
942 _cAN
999 _c40219
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