1. Investigations on established virus-free plants through tissue culture;Bitters;Calif. Citrus Nurserymen's Soc.,1970
2. Tissue culture in the Citrus industry;Button,1977
3. Outlines of perennial crop breeding in the tropics, 129;Cameron,1969
4. Pollination of pome fruits;Church;Rep. Long Ashton Res. Stn for,1978
5. Aposporic parthenogenesis in a triploid apple Malus hupehensis;Dermen;J. Arnold Arboretum,1936