1. On the maximal excess in boundary crossings of random walks related to fluctuation theory and laws of large numbers;Chow;Bull. Inst. Math. Acad. Sinica,1979
2. Moments of ladder variables for driftless random walks;Chow;Z. Wahrsch. Verw. Gebeite,1978
3. Probability Theory;Chow,1978
4. Moments of ladder heights in random walks;Doney;J. Appl. Probab.,1980
5. The SLLN when the mean is undefined;Erickson;Trans. Amer. Math. Soc.,1973