Absolute flux and nuclear composition of high-energy cosmic rays
Absolyutnyi potok i yadernyi sostav kosmicheskikh luchei vysokikh energii

S.I. Nikol'skii
1982 Uspehi fiziceskih nauk  
doi:10.3367/ufnr.0136.198202k.0349 fatcat:hkpcbuvuengl7il5vf2smnydoq