2HOLM-HANSENO.Viability of blue-geen of algae after freezing[J].Plant,1963,16:530-539.
3HWANG S W,HUDOCK C A.Sability of Chtamydomonas reinhardi in liquid nitrogen storage[J].J Phycol,1979,7:300-303.
4TAKANO M,SADOJM J,OGAWA T,et al.Freezing and freeze-drying of Spirulina platensis[J].Cryobiol,1973,10(15):440-444.
5MORRIS G J.The cryopreservation of Chlorella:Ⅰ.Interaction of rate of cooling,pretective additive and recovery rate[J].Archic Microbiol,1976,107:57-62.
6NORMAN M S.The preservation of salt marsh algae by controlled liquid nitrogen freezing[J].Cryobiol,1978,15(15):563-568.