TY  - GEN
AU  - ISA, ZURICH
TI  - HANDBOOK OF PURE SEED DEFINITIONS: WITH ILLUSTRATIONS(EXCLUDING FOREST TREE SEEDS)
U1  - 631.521 ISA/HA 
CY  - JODHPUR, SCIENTIFIC PUBLISHERS
KW  - CLASSIFICATION OF SINGLE AND MULTIPLE SEED UNITS
KW  - STRUCTURES CLASSIFIED AS PURE SEED
ER  -