298,119 SAX N. IRVING Cancer causing chemicals / N. Irving Sax ; Assis./by Eilizabeth K. Weisburger [et al.]. - New York [etc.] Van Nostrand Reinhold Co., [1981]. - IX, [1], 466s., [2] s. tabl. kolor. ; 29 cm ISBN 0-442-21919-9