Suzuki - Group Theory I - New paperback or softback - X555z

Campbell - Modular Invariant Theory - New paperback or softback - X555z

McGlade - Advanced Ecological Theory - New paperback or softback - X555z

Massey - Singular Homology Theory - New paperback or softback - X555z

Iacob - Singularity Theory I - New paperback or softback - X555z

Davvaz - Semihypergroup Theory - New paperback or softback - X555z

Kallianpur - Stochastic Filtering Theory - New paperback or softback - - X555z

Albrecht - Systems Theory and Practice - New paperback or softback - X555z