Spurgeon, D. Hidden harvest a systems approach to postharvest technology - International Development and Research Center Ottawa 1976 - 36 - Postharvest technology Hidden harvest - IDRC 062e . ISBN: 0889360812 Nat. Bib. No.: 1293 Nat. Bib. Agency Control No.: 631.56SPU Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 631.56