Wine industry publications
May P, 1978, Mechanical harvesting of grapes in Australia, World Crops, 27: 217-221.
May P, 1976, Workshop on mechanical harvesting of wine and drying grapes, _[publication details]_
May P, 1974, Mechanical harvesting of grapes in Australia, _[details]_ p393-410
May P, 1973, A supplementary note on mechanical harvesting of wine grapes, Aust Wine Brewing & Spirit Review, 91: p52
May P, 1972, ‘Mechanical harvesting of grapevines – Gawler Adult Education Centre Winecourse Lecture Series, 1972’, Australian Grapegrower & Winemaker, No. 105, p3-5.
May P, 1972, What is happening about mechanical harvesting of wine grapes, Aust Wine Brewing & Spirit Review, January 1972.