TY - JOUR PB - American Physical Society ID - 10.1103/PhysRevFocus.4.26 TI - Apply Quantum Principle with Caution JF - Physical Review Focus JA - Phys. Rev. Focus J1 - FOCUS VL - 4 IS - SP - 26 EP - PY - 1999/11/19/ UR - http://link.aps.org/doi/10.1103/PhysRevFocus.4.26 A1 - Anonymous, ER -