Betty Gebers (Gebers, Betty)

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  Environmental Control of Products and Substances: Legal Concepts in Europe and the United States
  by Betty Gebers, Jerzy Jendroska
  Softcover, Peter Lang Pub Inc, ISBN 3631476728 (3-631-47672-8)
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  Licensing Procedures for Industrial Plants and the Influence of Ec-Directives
  by Betty Gebers, Marga Robesin
  Softcover, Peter Lang Pub Inc, ISBN 3631455801 (3-631-45580-1)
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  Role of Environmental Agreements
  by Betty Gebers
  Softcover, Cameron May, Limited, ISBN 1874698627 (1-874698-62-7)