TY  - RPRT
TI  - Enclosed bark as a pollen trap
AU  - D.P. Adam
AU  - C.W. Ferguson
AU  - V.C. Lamarch
PY  - 1967
DO  - 10.1126/science.157.3792.1067
UR  - https://pubs.usgs.gov/publication/70010485
ID  - 70010485
ER  -