%0 Generic %C [S.l.] : %D 1985. %I [s.n.], %T Estimating sound seeds in ponderosa pine cones from half-face counts %U http://SK8ES4MC2L.search.serialssolutions.com/?sid=sersol&SS_jc=TC_023149639&title=Estimating%20sound%20seeds%20in%20ponderosa%20pine%20cones%20from%20half-face%20counts