Braun, D., Saechtling, H., & Immergut, E. (1996). Simple methods for identification of plastics (3rd., rev. ed.). Munich: Hanser Publishers.
Παραπομπή Chicago StyleBraun, Dietrich, Hansjθurgen Saechtling, and Edmund Immergut. Simple Methods for Identification of Plastics. 3rd., rev. ed. Munich: Hanser Publishers, 1996.
Παραπομπή MLABraun, Dietrich, Hansjθurgen Saechtling, and Edmund Immergut. Simple Methods for Identification of Plastics. 3rd., rev. ed. Munich: Hanser Publishers, 1996.
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