000 00849nam a2200253 a 4500
001 13281
003 CY-NiPEI
005 20201217062622.0
008 190130s1976 uk a f ||| |engd
020 _a0395200962
_q(student's book)
040 _beng
_aCY-NiPEI
082 7 _a577
_223
100 1 _aGreisel, Irma
_4aut
_97363
245 1 0 _aInvestigating our ecosystem /
_cIrma Greisel and Peter Jensch.
260 _aBoston:
_bHoughton Mifflin,
_c1976.
300 _av, 170 p. :
_bill. ;
_c28 cm.
490 0 _aHoughton Mifflin science program
504 _aIncludes index.
650 4 _aEcology
_xLaboratory manuals
_94735
700 1 _aJensch, Peter F.
_4asn
_99195
710 2 0 _aHoughton Mifflin and Company
_4pbl
_9154339
911 _a020075
_e20190130
_j1976
_n577 GRE
_p1
_q15
_r0
_s0
942 _2ddc
_cBK
_h577 GRE
999 _c13263
_d13263