00479nam a2200169Ia 4500008004100000082001600041100001700057245004100074250000600115260006600121300000800187650002100195650003400216653002600250653001200276700002100288170901s1977    xx            000 0 und d  a613.1bD36C  aBandhu, Desh 0aCurrent Trends in Indian Environment  a1  aNew DelhibToday and Tomorrow's Printers and Publishersc1977  a232  aMedical sciences  aTechnology (Applied sciences)  aEnvironmental factors  aHygiene  aChauhan, Eklavya