1. 01. English Non Fiction Investigating the ozone hole / by Johnson, Rebecca L. Publication: Minneapolis : Lerner Publications, 1993 . 112 p. : , Includes index. 23 cm. Date:1993 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Vanishing ozone : protecting earth from ultraviolet radiation / by Pringle, Laurence P. Publication: New York : Morrow Junior Books, 1995 . 64 p. : 24 x 27 cm. Date:1995 Availability: Copies available: (1), Actions: