BARRETT J. CARL 804,685 MECHANISMS Mechanisms of environmental carcinogenesis / ed. J. Carl Barrett. - Boca Raton, Florida : CRC Press, Inc. , [ 1987 ]. - 2 vol. ; 26 cm Vol. 2 : Multistep models of carcinogenesis. -[8], 132 s. : wykr. ISBN 0-8493-4670-3 (set) ISBN 0-8493-4672-X (vol.2)