00000cam a22000003a 4500 UP-1685594773861666526 Buklod 20090202110654.0 j|||||||||||||| | ta 090202s1970 xx d r |||| u| (iLib)UPBAG-00004735165 XFM|cXFM|dOCL|dCIN QH 541.2 I58 1970 Interaction of man & the biosphere inquiry in life science Norman Abraham...[et.al.]. Chicago Rand McNally c1970. xviii, 350 p. col. ill. 25 cm. Interaction science curriculum project v1 Includes index. Ecology Study and teaching (Secondary) Environmental protection. Biology Study and teaching (Secondary) Nature Effect of human beings on. Ecology. Abraham, Norman. UPBAG UPBAG-MAIN QH 541.2 I58 1970 Book