4FILIPPOV AV, et al. Study of the porous structure of hardened gypsum by pulsed nuclear magnetic resonance [J]. J. Mat. Sci. ,1996,31(16):4369-4374.
5KOSLOWSKIT, LUDWIGU. The effect of admixtures in the production and application of building plasters [J].ZKG International, 1999, 529(5):274-285.
6SINGH M, GARG M. Retarding action of various chemicals on setting and hardening characteristics of gypsum plaster at different ph [J]. Cement and Concrete Research, 1997,27 (6): 947-950.
7ODLER I, RZBLER M. Relationships between pore structure and strength of set gypsum pastes Part Ⅱ: Influence of chemical admixtures [J]. Zement-Kalk-Gips,1989(8):419-424.
8A. V. Filippov,M. G. Altykis,M. I. Khaliullin,R. Z. Rachimov,V. M. Lantsov. Study of the porous structure of hardened gypsum by pulsed nuclear magnetic resonance[J] 1996,Journal of Materials Science(16):4369～4374
