TY - BOOK ID - 137836820 TI - Maple sirup producers manual AU - Willits, C. O. AU - United States. PY - 1958 PB - [Washington, D.C.] : U.S. Dept. of Agriculture, DB - UniCat KW - Maple syrup. KW - Maple sugar. UR - https://www.unicat.be/uniCat?func=search&query=sysid:137836820 AB - ER -