00622nam a2200169Ia 4500008004100000040001700041082002100058100001800079110005300097245004700150260002900197300001300226440002300239500012700262650004600389700001700435190327s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta333bN277N  aAggarwal, R K  aNational Remote Sensing Agency, (Andhra Pradesh) 0aNRSA technical reports, 1977cR K Aggarwal  aSecunderabadbNRSAc1977  aV4 (vp.)  aNRSA TR; 0031-0040  aV4: An experiment on calibration of multispectral photography for determination of reflectance from photographic densities  aRemote sensing; Multispectral photography  aJaiswal, A K