Ozone data for the world. Environment Canada, Atmospheric Environment Service = Données mondiales sur l'ozone. Guide / Environnement Canada, Service de l'environnement atmosphérique.

v.17:no.5 1976; v.17:no.6 1976; v.18 1977; v.19-20 1978/79; v.21-22 1980/81; v.23-24 1982/83; v.25-26 1984/85; v.27 1986; v.28 1987; v.29 1988; v.30 1989; v.31 1990; v.32 1991; v.33 1992; v.34:no.1-3 1993; v.34:no.4-6 1993; v.35 1994; v.36 1995; v.37 1996; v.38 1997; 1997/98 (rev.); v.39 1998; 1985/94:index (no.29); 1985/93:index (no.28); 1985/92:index (no.27); 1985/91:index (no.26); 1980/84:index (no.19); 1980/83:index (no.18); 1980/82:index (no.17); 1971/79:index (no.14); index no.30 1995; index no.31/32 1996/97; index no.33 1998