Environmental carcinogens selected methods of analysis: vol. 3. a nalysis of polycyclic aromatic hydrocarbons in environmental samples / by H. Egan... [et al] - Lyon : WHO , 1979. - ix, 240 p. : ill. - WHO IARC Publications; no. 29 . Subjects--Topical Terms: Carcinogens--------Polycyclic Hydrocarbons--------Environment-------- National Library of Medicine Call No.: QZ 202 / in8p 1979 No.29