1. Abdelnour-Esquivel A, Villalobos V, Engelmann F (1992a) Cryopreservation of zygotic embryos of Coffea spp. Cryo-Lett 13: 297–302
2. Abdelnour-Esquivel A, Mora A, Villalobos V (1992b) Cryopreservation of zygotic embryos of Musa acuminata (AA) and Musa balbisiana ( BB ). Cryo-Lett 13: 159–164
3. Abou Taleb S, Yates I, Wood BW, Fouad MM (1992) Cryogenics and tissue culture for preserving pecan germplasm. HortSci 27 (6): 693
4. Assy-Bah B, Engelmann F (1992a) Cryopreservation of immature embryos of coconut (Cocos nucifera L.). Cryo-Lett 13: 67–74
5. Assy-Bah B, Engelmann F (1992b) Cryopreservation of mature embryos of coconut (Cocos nucifera L.) and subsequent regeneration of plantlets. Cryo-Lett 13: 117–126