00291nam a2200097Ia 4500008004100000082001700041100002000058245006900078260003800147300000800185140113s9999    xx            000 0 und d  a547(63)   H6  a"Tyler, Cyril."  aOrganic Chemistry for students of agriculture and allied subject  a1946bGeorge Allen & sonscLondon  a341