00597cam a2200205 4500 443335376 TxAuBib 20140107120000.0 751118s1966||||||||||||||||||||||||eng|u 67013578 TxAuBib eng dan Hein, Piet, 1905-1996. Grooks / [by] Piet Hein with the assistance of Jens Arup. [1st English language ed. Cambridge, Mass : M.I.T. Press, [1966] 53 p : illus ; 16 cm. 20140107. Arup, Jens.