Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
331.82 P322 58383
Industrial hygiene and toxicology general principles 2nd rev.. - London Interscience pub. 1958 v.1 * Labor economics Toxicology * Patty F A, ed. * Title