(1984). Economic impact analysis for effluent limitations guidelines and standards for the metal molding and casting (foundries) point source category submitted to Environmental Protection Agency ; submitted by Policy Planning & Evaluation, Inc. [microform].
Παραπομπή σε μορφή Chicago (17η εκδ.)Economic Impact Analysis for Effluent Limitations Guidelines and Standards for the Metal Molding and Casting (foundries) Point Source Category Submitted to Environmental Protection Agency ; Submitted by Policy Planning & Evaluation, Inc. [microform]. 1984.
Παραπομπή σε μορφή MLA (9th εκδ.)Economic Impact Analysis for Effluent Limitations Guidelines and Standards for the Metal Molding and Casting (foundries) Point Source Category Submitted to Environmental Protection Agency ; Submitted by Policy Planning & Evaluation, Inc. [microform]. 1984.