00533cam a22002171 4500 sa 67005119 DLC 20260227112354.0 890731s1966 ii a 000 0 malo sa 67005119 (OCoLC)20102445 DLC WaU DLC premarc GC21 .U4 Ummerkutty, A. N. P. Kaṭaline kaṇṭettal. [1966] 286 p. ill. 18 cm. In Malayalam. Oceanography Popular works. 74981 74981