1. Affleck DL (2006) Poisson mixture models for regression analysis of stand-level mortality. Can J For Res 36:2994–3006. doi: 10.1139/x06-189
2. Alexander HM, Slade NA, Kettle WD (1997) Application of mark-recapture models to estimation of the population size of plants. Ecol 78:1230–1237. doi: 10.1890/0012-9658(1997)078[1230:AOMRMT]2.0.CO;2
3. Association of Official Seed Analysts (2009) Rules for testing seeds. Association of Official Seed Analysts, Ithaca
4. Baron F (1967) X-ray good for routine tests of seed viability. Tree Plant Notes 18:4–6
5. Brandenburg NR (1977) The principles and practice of seed cleaning, separation with equipment that senses dimensions, shape, density and terminal velocity of seeds. Seed Sci Technol 5:173–186