In the absence of a firm theoretical basis for the law [conservation of baryon number], we can only conclude that it is known to be true with great accuracy.


The Conservation Laws of Physics, Scientific American, Volume 209, Number 4, October, 1963 (p. 45)


In the absence of a firm theoretical basis for the law [conservation of baryon number], we can only conclude that it is known to be true with great...

In the absence of a firm theoretical basis for the law [conservation of baryon number], we can only conclude that it is known to be true with great...

In the absence of a firm theoretical basis for the law [conservation of baryon number], we can only conclude that it is known to be true with great...

In the absence of a firm theoretical basis for the law [conservation of baryon number], we can only conclude that it is known to be true with great...