TY - BOOK AU - Welch,Robin I. AU - Marmelstein,Allan D. AU - Maughan,Paul M. ED - United States. TI - Aerial spill preservation surveillance during sub-optimum wather U1 - 625.35 PY - 1973/// CY - Washington, D.C. PB - United States Environmental Protection Agency KW - Aeration KW - Pollution N1 - EPA-R2-73-243; Includes bibliographical references ER -