Chapman, S R Characterization of the sphericity of particles by the one plane critical stability. [electronic resource] - The Journal of pharmacy and pharmacology Jul 1988 - 503-5 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0022-3573 Standard No.: 10.1111/j.2042-7158.1988.tb05286.x doi Subjects--Topical Terms: Microscopy--methodsMicrospheres