000 00361nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a5:061.3(548.3)
_bPRO
245 0 _aKerala Science Congress
260 _aTrivandrum
_bState Committee on Science Technology and Environment
_c1989
650 _aScience Congress
700 _aBalakrishnan Nair, N
942 _cBK
999 _c43489
_d43489