ZUIDAM, R. v., & ZUIDAM-CANCELADO, F. v. (1979). Itc textbook of photo-interpretation: Terrain analysis and classification using aerial photographs. ITC.

ZUIDAM, R.A. van, and F.I. van ZUIDAM-CANCELADO. Itc Textbook of Photo-interpretation: Terrain Analysis and Classification Using Aerial Photographs. Boulevard: ITC, 1979.

ZUIDAM, R.A. van, and F.I. van ZUIDAM-CANCELADO. Itc Textbook of Photo-interpretation: Terrain Analysis and Classification Using Aerial Photographs. ITC, 1979.