000 00309nam a2200133Ia 4500
008 180611s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a428
100 _aCOHEN, Michael R.
245 0 _aScience
260 _aIllinois.
_bScott, Fores man & Company
_c1984
300 _axiii,404p.
942 _cLL
999 _c4568
_d4568