Evaluation of the carcinogenic risk of chemicals to humans: Some metals and metallic compounds: World Health Organization/International Agency for Research on Cancer, IARC monograph, Volume 23, Lyon 1980, 438 pages (including a preamble and general remarks of 26 pages and a cumulative index for volumes 1 – 23 (only 4 references related to volume 23) of 20 pages), 36 tables, many valuable literature references added to each chapter, stiff paper cover, format 240 × 180 mm, ISBN 92-832-1223-1, WHO-Health & biomedical information programme, CH-1211 Geneva 27, US$ 30.- or Sfr. 50.-