au.\*:("COLWELL RN")
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REMOTE SENSING AS AN AID TO THE MANAGEMENT OF EARTH RESOURCESCOLWELL RN.1973; AMER. SCIENTIST; U.S.A.; DA. 1973; VOL. 61; NO 2; PP. 175-183; BIBL. 6REF.Serial Issue
REMOTE SENSING OF NATURAL RESOURCES.COLWELL RN.1968; SCI. AMER.; USA; 1968(1), VOL. 218, NUM. 0001, P. 54 A 69Miscellaneous
REMOTE SENSING AS AN AID TO THE INVENTORY AND MANAGEMENT OF NATURAL RESOURCESCOLWELL RN.1978; CANAD. SURVEYOR; CAN; DA. 1978; VOL. 32; NO 2; PP. 183-203; ABS. FRE; BIBL. 17 REF.Article
AGRICULTURAL, FOREST AND RANGE INVENTORY USING SKYLAB DATACOLWELL RN.1976; A.A.S. SCI. TECHNOL. SER.; U.S.A.; DA. 1976; VOL. 38; PP. 207-234; BIBL. 10REF.; (SKYLAB SCI. EXP. SYMP. 140TH. ANNU. MEET. AM. ASSOC. ADV. SCI. PROC.; SAN FRANCISCO; 1974)Conference Paper
CALIFORNIA RESOURCE INVENTORY VIA SATELLITE SENSING.COLWELL RN.1975; IN: INT. SYMP. SPACE TECHNOL. SCI. 11. PROC.; TOKYO; 1975; TOKYO; AGNE; DA. 1975; PP. 929-934; BIBL. 6 REF.Conference Paper
AERIAL AND SPACE PHOTOGRAPHS AS AIDS TO LANDS EVALUATION.COLWELL RN.1968; IN.LAND.EVALUAT.CSIRO.SYMP.CANBERRA 68.MELBOURNE.MACMILLAN CO.AUSTRAL; 1968, P. 324 A 341Miscellaneous