5
1
50
1980 annual book of ASTM standard
American Society for Testing and Materials.
Additional Author
mixed material
ASTM
1980
Annual book of astm standars part 24
American Society Testing and Materials.
Additional Author
mixed material
America Sociaty
1980
Annual book of astm standars part 25
American Society for Testing and Materials.
Additional Author
mixed material
America Society
1980
Aquatic fixicology and hazard assessment
American Society for Testing and Materials
Additional Author
mixed material
A.S.T.M
1982
Ecological assessment of offluent impacts on communities of indigenons aquatic organisms
American Society for Testing and Materials.
Additional Author
mixed material
A S T M
1979