Sadtler Research Laboratories.Sadtler commerical infrared grating spectra-controlled pyrolyzates polymers,.V.9-11,DD2401K-DD3300K with alphabetical and classification index to IR grating v.1-11& to IR prism $hv.1.SRL,1980.
Sadtler commerical infrared grating spectra-controlled pyrolyzates polymers,.V.9-11,DD2401K-DD3300K with alphabetical and classification index to IR grating v.1-11& to IR prism $hv.1