Ottawa; 1978 and 1979: National Research Council of Canada. Quarto. Item #012596
In two volumes. Text primarily in English with summaries in French and Russian. Extensive bibliographies and indexes. Introduces man's effect on the environment with interest in rising temperature change which was a prelude to observable global warming. Bound in white and blue cloth lettered in black, a few spots of finer soiling, a couple of bumped corners. A very good set.