Microsporogenesis of Cycas and its systematic implications
Hua-Fen ZHANG, Hai-Bo OUYANG, Jin-Yan DU,Shou-Zhou ZHANG,Yong LI, Hong WU
J Syst Evol . 2012, (2): 125 -134 .  DOI: 10.1111/j.1759-6831.2011.00177.x