00309nam a2200109Ia 4500008004100000020001500041082002200056100001800078245003400096260005000130650001900180220204s9999    xx            000 0 und d  a0442243766  a575:631.52bPLA.5  aJanick, Jules 0aPlant breeding reviews. Vol.5  aNew YorkbVan Nostrand Reinhold Companyc1987  aEmbryo culture