000 00343nam a2200145Ia 4500
008 180611s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a574.5
100 _aHAYNES, Nancy Lehmann
245 3 _aAn Ecological Approach
250 _a4th ed
260 _aBoston
_bHoughton Mifflin Company
_c1978
300 _a800p.
942 _cLL
999 _c1911
_d1911