1
Published 1993
American Chemical Society
Subjects: ...Agricultural biotechnology / Law and legislation / United States...

2
Published 1988
American Chemical Society
Subjects: ...United States / Department of Agriculture...

3
Published 1991
American Chemical Society
Subjects: ...TECHNOLOGY & ENGINEERING / Agriculture / General / bisacsh...

4
Published 1997
American Chemical Society
Subjects: ...Agricultural chemicals / Technological innovations...