Microsporogenesis and meiotic behavior in nine species of the genus Pinus
Hui-Sheng DENG, Da-Ming ZHANG, De-Yuan HONG, Cheng-Xin FU
J Syst Evol . 2009, (4): 287 -290 .  DOI: 10.1111/j.1759-6831.2009.00030.x