000 00328nam a2200133Ia 4500
008 151205s9999||||xx |||||||||||||| ||und||
020 _c0
100 _aASTHANA, D.K. & ASTHANA, MEERA
245 _aENVIRONMENT : PROBLEMS ND SOLUTIONS
250 _aIST
260 _aCUCUTTA
_c1998
_bS.CHAND
650 _aBOTANY
942 _cBK
999 _c209857
_d209857