TY - BOOK ID - 136878281 TI - Normal foliar nutrient levels in North American forest trees : a summary AU - Blinn, Charles R. AU - Buckner, Edward R. PY - 1989 PB - Minnesota University of Minnesota. Minnesota agricultural experiment station DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:136878281 AB - ER -