Forest Tree improvement in California-1970.
Conkle, M.Thompson.
Forest Tree improvement in California-1970. - 1972. - s. 4 : tab. ; 28 cm. - No. PSW-275 . - Research Note. Pacific Southwest Forest and Range Experiment Station No. PSW-275 .
bibliogr. = Res. Note Pac. Southw. For. Range Exper. St. N.
Forest Tree improvement in California-1970. - 1972. - s. 4 : tab. ; 28 cm. - No. PSW-275 . - Research Note. Pacific Southwest Forest and Range Experiment Station No. PSW-275 .
bibliogr. = Res. Note Pac. Southw. For. Range Exper. St. N.