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- [4] A simplified procedure of measuring leaf area by means of a planimeter COMPTES RENDUS DE L ACADEMIE DES SCIENCES DE L URSS, 1939, 24 : 67 - 68
- [5] AIR-FLOW PLANIMETER FOR MEASURING DETACHED LEAF AREA JOURNAL OF RANGE MANAGEMENT, 1969, 22 (05): : 357 - &
- [8] Comparison of measuring an area with a planimeter and by rectangular dimensional methods SYDNEY '97 - XVI WORLD CONGRESS OF OTORHINOLARYNGOLOGY HEAD AND NECK SURGERY, TOMES 1 AND 2, 1996, : 1117 - 1120
- [9] SOME COMPARISONS OF INCLINED POINT QUADRAT AND AIRFLOW PLANIMETER METHODS FOR MEASURING LEAF-AREA INDEX OF GRASS SWARDS JOURNAL OF THE BRITISH GRASSLAND SOCIETY, 1968, 23 (04): : 268 - &
- [10] PORTABLE SMALL-STAGE PHOTOELECTRIC PLANIMETER FOR LEAF AREA MEASUREMENTS JOURNAL OF RANGE MANAGEMENT, 1971, 24 (05): : 394 - +