James A. Ryan

Bioavailability to plants of sludge-borne toxic organics

J. A. Ryan, Rufus L. Chaney, G. O'Connor, 1991 .

In situ lead immobilization by apatite

J. A. Ryan, Terry J. Logan, Q. Ma, 1993 .

Soil Cadmium as a Threat to Human Health

J. A. Ryan, Rufus L. Chaney, Sally Brown, 1999 .

In Vitro Soil Pb Solubility in the Presence of Hydroxyapatite

J. A. Ryan, Pengchu Zhang, John Yang, 1998 .