000 00305nam a2200121Ia 4500
080 _aSerial
100 _aRitter, W.
245 _aBee diseases are a worldwide problem
260 _c2014
520 _aFocuses attention on the problem of bee diseases worldwide.
583 _c9/4/14
_kSANDRAW
942 _cA
999 _c36964
_d36964