1. Two simple micro-burettes and an accurate wash-out pipette
2. ; The Chemical Engineer 1971, No. 251, p. 261.
3. ; ; ; ; 10th Tech. Alfalfa Conf. Proc. 1968, USDA ARS-74-46, p. 71.
4. ; Proc. 1st Int. Green Crop Drying Congr. 1973 (in the press).
5. ; ; 10th Tech. Alfalfa Conf. Proc. 1968, USDA ARS-74-46, p. 80.