著者:	19920916a18699999k y0engy0120 ba
载体形态:	v.229-246, 1971-Dec. 1973, issued in three parts. the two new parts, Nature: new biology, and Nature: Physical science, v.246, Dec. 1973, were absorbed by Nature
载体形态:	Indexes: v.229-234, 1971; v.235-240, 1972