1. The opening and shedding mechanism of the female cones of Pinus radiata;Allen;Aust. J. Bot.,1964
2. Radial fissures in the early wood of conifers;Amos;Aust. J. Bot.,1954
3. A note on the growth behavior of cotton bolls;Anderson;Plant Physiol.,1943
4. Cupressus stem crack;Anonymous;Sudan. Min. Agr. Forest. Dep., Rep.,1954
5. Studien über die Dickenänderungen von Laubblättern;Bachmann;Jahrb. Wiss. Bot.,1922