Patty, Frank.A .
Industrial Hygience and Toxicology / Textual Documents A.Frank Patty. - 2 rev / . - Newyork : Inter science publishers inc , 1958. - 830 ; .
615.902 / PAT/IN
Industrial Hygience and Toxicology / Textual Documents A.Frank Patty. - 2 rev / . - Newyork : Inter science publishers inc , 1958. - 830 ; .
615.902 / PAT/IN