00436naa a2200157 a 450000100080000000500110000800800410001910000160006024500920007626000090016865000120017765000200018965000100020965300090021977300500022812797622025-03-06       1936    bl uuuu     u00u1 u    #d1 aKEEN, F. P.  aRelative susceptibility of ponderosa pine to bark beetle attack.h[electronic resource]  c1936  aBesouro  aPinus Ponderosa  aPraga  aPine  tJournal of Forestrygv. 34, p. 919-927, 1936.