ISA, ZURICH
HANDBOOK OF PURE SEED DEFINITIONS: WITH ILLUSTRATIONS(EXCLUDING FOREST TREE SEEDS) - 2 - JODHPUR, SCIENTIFIC PUBLISHERS 1997 - pages 59
CLASSIFICATION OF SINGLE AND MULTIPLE SEED UNITS
STRUCTURES CLASSIFIED AS PURE SEED
631.521 ISA/HA
HANDBOOK OF PURE SEED DEFINITIONS: WITH ILLUSTRATIONS(EXCLUDING FOREST TREE SEEDS) - 2 - JODHPUR, SCIENTIFIC PUBLISHERS 1997 - pages 59
CLASSIFICATION OF SINGLE AND MULTIPLE SEED UNITS
STRUCTURES CLASSIFIED AS PURE SEED
631.521 ISA/HA