000			00373nam a2200157Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
020			_a0-697-23503-3
041			_aen
082			_a570
100			_aRAVEN, Peter H.
245		0	_aUunderstanding Biology
250			_a2nd ed.
260			_aOxford. _bWm.C. Brown publishers- _c1991
300			_axxvi, 1025
942			_cLL
999			_c19510 _d19510