00419nam a2200121Ia 4500008004100000040001700041082002500058100001700083245007100100260004600171300001400217650006600231190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta614.852bH768I  aHommadi, A H 0aIndustrial and occupational safety health and hygienecA H Hommadi  aDelhibIndian Bibliographies Bureauc1985  aii, 341p.  aIndustrial safety; Health; Environmental health; Medical case