Grooks / Piet Hein ; with the assistance of Jens Arup. - Cambridge [et al.] : The M.I.T. Press, [1967]. - 53, [16] p. : ill. ; 16 cm.см.[MFN: 31907]

UDC: 821.113.4-1

• Arup, Jens (auth.); 

E 4.672/1 - General Stock