并列题名：Muffins and Biscuits Muffins and biscuits Muffins and Biscuits muffins & biscuits Muffins & biscuits 并列题名：Open circuits 并列题名：Encyclopedia of biscuits 并列题名：Analog and VLSI circuits 并列题名：Analog integrated circuits 并列题名：Microwave planar circuits