00596nam a2200193Ia 450000500170000000800410001702000180005804000190007604100120009508200130010724500970012026000430021730000170026044000560027750400260033365000120035970000210037185000100039220240604110306.0131103s9999    xx            000 0 und d  a0 340 18888 X  aLoreto College  aEnglish  a570bKEL 4aThe educational use of living organismsb a source book cEdited by P. J. Kelly & J. D. Wray  aLondonbThe English Universitiesc1975  a188p.b ill.  aSchools council educational use of living organisms  aIncludes bibliography  aScience  aKelly, P. J.;ed.  aLCBED