000 00583nam a2200193Ia 4500
008 130910s9999 xx 000 0 und d
041 _aeng
082 _221st ed.
_a634.9562
_bDOG/S
100 _aDogra, P.D.
245 _aSeed sterility disturbances embryogeny conifers with particular reference to seed testing tree breeding pinaceae
_cby P.D. Dogra
260 _aStockholm :
_bRoyal College of forestry ,
_c1967
300 _a96 p.
300 _efigures
490 _aStudia forestalia suecica
653 _aEmbryology
653 _aPinaceae
653 _aSeeds
942 _cEN
_2ddc
999 _c12355
_d12355