TY  - BOOK
AU  - Ting,William
TI  - Determination of pinus species by pollen statistics
T2  - University of California publications in geological sciences
U1  - 582.475:581.081.3[794] 
PY  - 1966///
CY  - Berkeley, California
PB  - University of California Press
KW  - BOTANICA
KW  - CONIFERAS
KW  - PINACEAS
KW  - PINOS
KW  - POLEN
KW  - CALIFORNIA
KW  - ESTADOS UNIDOS
ER  -