TY - BOOK ID - 133992870 TI - Blight of pears, apples, and quinces, published by U.S. Dept. of Agriculture PY - 1970 PB - U.S. Dept. of Agriculture DB - UniCat KW - Apples KW - Diseases and pests KW - Fire-blight KW - Pear KW - Quince KW - United States UR - https://www.unicat.be/uniCat?func=search&query=sysid:133992870 AB - ER -