00368nam a2200097Ia 4500008004100000082003100041100008800072245007900160260002300239300000800262140113s9999    xx            000 0 und d  a632.937:632.51(082.2)   K9  a"Commonwealth  Agricultural Bureaux, Central Sales, Farmation Royal Bucks, England"  aProceedings of the first international symposium on biol. Control of weeds  a1969bCABcEngland  a110