R. R. Ruch

Occurrence and distribution of potentially volatile trace elements in coal

R. R. Ruch

1974

Distribution of arsenic in unconsolidated sediments from southern Lake Michigan

R. R. Ruch

1970

Mercury content of Illinois coals

R. R. Ruch

1971

Removal of sulfur from Illinois coals via charring and partial oxidation

R. R. Ruch

1985

Ultrafine coal cleaning via explosive shattering and aggregate flotation processes

R. R. Ruch

1988

Determination of valuable metals in liquefaction process residues

R. R. Ruch

1979

Fundamentals of production/operations management

R. R. Ruch

1986