00402nam a2200133Ia 4500008004100000041000800041082001300049100002500062245007500087260007200162300001600234563000700250650001100257210707s1978    xx            000 0 und d  aeng  a614 SUNR  aSUNDARESAN (B B), Ed  aResearch programmes in environmental engineering and science in India.  aNagpurbNational environmental engineering research institutec1978  axxxiv,280 p  aPB  aHealth