00459nam a22001817a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093100001800102245005800120260005700178300001000235650001200245650002000257CHAP20220329140158.0971013s1973            r     00010     d  a48141  a49113  a53261  cCHAP00aTomasec, Ivo.  aOn the effect of certain antibiotics on the Honey bee  aWashington :bE.U.A. Deprtment of Agriculture,c1973  a10 p.14aAbejas.14aAntibióticos.