@book{icrisat672,
       publisher = {International Crops Research Institute for the Semi-Arid Tropics},
          editor = {S M Virmani and M V K Sivakumar and G Rosenberg and V Kumble},
            year = {1980},
           title = {Climatic Classification : A Consultants' Meeting 14-16 April 1980},
          author = {make\_name\_string expected hash reference},
             url = {http://oar.icrisat.org/672/}
}