Separating $\oplus L$ from $L, NL,$ co-$NL$, and $AL = P$ for oblivious Turing machines of linear accessMatthias KrauseRAIRO-Theor. Inf. Appl., 26 6 (1992) 507-522DOI: https://doi.org/10.1051/ita/1992260605071