00914nam a2200277 i 450099100089383970753620020507102858.0951127s1969 us ||| | eng b10144559-39ule_instLE00638712ExLDip.to Fisicaita1:552.9.5501Q171Zwicky, F.461257Discovery, invention, research :through the morphological approach /F. ZwickyNew York :MacMillan Co.,1969ix, 276 p. :ill. ;22 cm.Science.b1014455921-09-0627-06-02991000893839707536LE006 1:5 ZWI12006000005364le006-E0.00-l- 00000.i1017189727-06-02Discovery, invention, research186328UNISALENTOle00601-01-95ma -engus 01