00644nam a2200217Ia 4500 20240604110306.0 131103s9999 xx 000 0 und d 0 340 18888 X Loreto College English 570 KEL The educational use of living organisms a source book Edited by P. J. Kelly & J. D. Wray London The English Universities 1975 188p. ill. Schools council educational use of living organisms Includes bibliography Science Kelly, P. J.;ed. LCBED BK 28663 79142 0 0 ddc 0 0 MAIN MAIN 2013-11-04 0 570 KEL 8510 B31511 2013-11-04 2013-11-04 BK