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by Misner, Charles W.; Thorne, Kip S.; Wheeler, John Archibald; et al.
by Wheeler, John Archibald; Zurek, Wojciech Hubert
by Rife, Patricia; Wheeler, John Archibald
by Ciufolini, Ignazio; Wheeler, John Archibald
by Wheeler, John Archibald
by Taylor, Edwin F.; Wheeler, John Archibald; Bertschinger, Edmund
by Taylor, Edwin F.; Wheeler, John Archibald