TY - BOOK AU - Porwal, M. C. TI - Remote sensing analysis of environmental resources for planning and development SN - 8170248086(hbk.) U1 - 621.367809542 1st ed. PY - 1997/// CY - New Delhi PB - APH Publishing Corporatiomn KW - Environmental science N1 - Includes glossary and bibliography and index ER -