1. Aitken-Christie J, Jones C (1987) Towards automation: radiata pine shoot hedges in vitro. Plant Cell Tissue Organ Cult 8: 185–196
2. Anderson WC (1980) Mass propagation by tissue culture. In: Proc Conf Nursery Production of Fruit Plants through Tissue Culture - Applications and Feasibility. USD A, SEA, Agric Res Results, ARR-NE-11. Beltsville, pp 1–10
3. Cheng YW, Chua SE (1980) Mass propagation of orchid plants from orchid seeds using the air flow system to accelerate growth. Singapore J Primary Ind 8: 57–62
4. Cheng YW, Chua SE (1982) The use of air flow system in plant tissue and organ culture. In: Rao AN (ed) Tissue culture of economically important plants. Nat Univ Singapore, COSTED, pp 210–212
5. Cheng YW, Chua SE, Yong-Ho SY (1978) A simple tissue culture method developed to accelerate growth of plant tissues. Singapore J Primary Ind 6: 116–123