TY - JOUR A1 - Ramalingam, K. A1 - Ramathilagam, A. B. A1 - Murugesan, P. T1 - AREA ESTIMATION OF COTTON AND MAIZE CROPS IN PERAMBALUR DISTRICT OF TAMIL NADU USING MULTI DATE SENTINEL-1A SAR DATA & OPTICAL DATA JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLII-3/W6 SP - 137 EP - 140 Y1 - 2019/07/26 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLII-3-W6/137/2019/ L1 - https://isprs-archives.copernicus.org/articles/XLII-3-W6/137/2019/isprs-archives-XLII-3-W6-137-2019.pdf DO - 10.5194/isprs-archives-XLII-3-W6-137-2019 ER -