TY - BOOK ID - 134004209 TI - Some results of co-operative experiments on races of bees to determine their power to resist European foul brood AU - Pettit, Morley AU - Ontario. PY - 1915 SN - 0665851251 PB - Toronto : L.K. Cameron, DB - UniCat KW - Bees KW - Foul brood, European. KW - Abeilles KW - Loque européenne. KW - Diseases. KW - Maladies. UR - https://www.unicat.be/uniCat?func=search&query=sysid:134004209 AB - ER -