1. Influence of Substrate Moisture Level on the Germination of Seed of Selected Pinus sp. 17;Belcher,1974
2. Das osmotische Verhalten keimender Weizenkörner;Gassner;Züchter,1952
3. Accelerated Germination by Osmotic Seed Treatment;Heydecker;Nature,1973
4. Instant Germination — a Method of Brinkmanship;Heydecker;Commercial Grower,1974
5. Invigoration of Seeds. 17;Heydecker,1974