TY - BOOK ID - 128975058 TI - A guide to insect injury of conifers in the Lake States PY - 1977 PB - Washington : Forest service United States Department of Agriculture, DB - UniCat KW - Environmental Sciences and Forestry. Forestry -- Forest Damage and Protection -- Forest Pests and Diseases UR - https://www.unicat.be/uniCat?func=search&query=sysid:128975058 AB - ER -