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Characteristics and Material Flows of Diary Packaging in Municipal Solid Waste: A Case Study of Plastic Yoghurt Cups in Vienna. [PDF]

Glob Chall
Breslmayer G, Gritsch L, Lederer J.
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Prevention of post-tuberculosis sequelae. [PDF]

Lung India
Christensen E, Wejse C.
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Covering Submonoids and Covering Codes

J. Autom. Lang. Comb., 1999
This paper deals with the formalization of the intuitive notion of covering monoid and the investigation of the related algebraic properties. It is shown that covering monoids can be regarded as a generalization of the well known classical monoids and z-monoids. A new coding notion is introduced and a simple method to decide whether a finite set $X$ of
MADONIA, Maria Serafina, SALEMI S, SPORTELLI T.   +2 more
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