000 00272nam a2200109Ia 4500
008 190428s9999||||xx |||||||||||||| ||und||
020 _a81-239-0097-X
100 _aAnon
_915971
245 _aEvolutionary trends
250 _b1992. xviii-368
260 _bCBS. New Delhi, India
999 _c15843
_d15843