TY - BOOK ID - 138327548 TI - Sampling methods in forestry and range management AU - Schumacher, F. X. AU - Chapman, R. A. PY - 1954 PB - Durham Duke university. School of forestry DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:138327548 AB - ER -