@article{Hillen1982, author = {Hillen, Walter}, title = {Exclusive proton-antiproton production in two photon collisions . TASSO Collaboration}, series = {Physics Letters B. 108 (1982), H. 1}, journal = {Physics Letters B. 108 (1982), H. 1}, isbn = {0370-2693}, pages = {67 -- 70}, year = {1982}, language = {en} }