1. AITKEN, J; KJ. HORGAN; TA. THORPE 1981 Influence of explant selection on the shoot-forming capacity of juvenile tissue of Pinus radiata. Can J For Res 11: 112–117
2. ALBERSHEIM P 1976 The primary cell wall. In J Bonner, JE Varner, eds, Plant Biochemistry, 3rd edition. Academic Press, New York, pp 226–277
3. ALSOP, WR; RD. LOCY; WR. OKLE 1981 Selection and partial characterization of tomato (Lycopersicon escuZentum Mill.) cell lines for ability to grow on ribose. Plant Physiol Suppl 67: 117
4. AMMIRATO, PV; FC. STEWARD 1971 Some effects of environment on the development of embryos from cultured free cells. Bot Gaz 132: 149–158
5. ASPINALL, GO 1980 Chemistry of cell wall polysaccharides. In J Preiss, ed, The Biochemistry of Plants, Vol 3 Carbohydrates: Structure and Function. Academic Press, New York, pp 473–500