यो Book आफ्नो भाषा मा अवस्थित छैन, हेर्नुहोस्: English (en),
अथवा गुगल अनुवाद प्रयोग:  

This book may no longer be available in print.

724 pages, illustrated, tables

Publication Details

  • Published: 1979
  • Publisher: International Center for Arid and SemiArid Land Studies, Texas Tech University
  • Dewey Decimal: 630.915
  • ECHO Library: 630.915 GOO