Science Reference Source Description: Science magazines, journals, reference books and videos More Info Express Link for Science Reference Source × Express Link Copy
MasterFILE Complete Description: Collection of popular full-text magazines, reference books, videos More Info Express Link for MasterFILE Complete × Express Link Copy
PubChem Description: PubChem is an open chemistry database at the National Institutes of Health (NIH). More Info Express Link for PubChem × Express Link Copy
